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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 03, 2015 08:37 Post subject: Re: Collection of Fiebre Verde - Polveros (#136) |
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Another "damaged" crystal from the La Pita mining district.
Emerald has a pronounced bluish tinge.
Matrix is pure white calcite.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 75x44x39mm, xl=22mm (combined size) |
Description: |
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Viewed: |
37298 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 75x44x39mm, xl=22mm (combined size) |
Description: |
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Viewed: |
37299 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 75x44x39mm, xl=22mm (combined size) |
Description: |
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37263 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 04, 2015 09:15 Post subject: Re: Collection of Fiebre Verde - Chivor (#6) |
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Grey shale host rock is coated with an aggregate of semi-transparent calcite crystals which gives this specimen a velvety shine.
The emeralds have a strong bluish cast and are shaped like long pencil leads.
The main crystal is heavily striated. I have never seen this feature in the Western Belt crystals.
A few dark grey dolomite rhombs can be seen underneath the calcite.
There are thin veins of pyrite running through the grey shale.
Not the finest specimen from Chivor but certainly unusual material from this district.
Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37207 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37232 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37202 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37207 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37242 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37180 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37197 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
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Viewed: |
37159 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Dolomite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 98x70x38mm, xl=31mm |
Description: |
Dolomite crystal is 4mm across |
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37182 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 04, 2015 13:24 Post subject: Re: Collection of Fiebre Verde - Panjsher (#2) |
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For those who are tired with Colombia, here is a Panjsher specimen.
Matrix is oxidized quartz.
The thicker/smaller emerald has a stunning color.
The longer one is slightly oxidized.
Mineral: | Beryl (variety emerald), Quartz |
Locality: | Kamar Safed outcrop (Kamar Saphed), Khenj emerald area,, Khenj District, Panjshir Province, Afghanistan | |
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Dimensions: | 47x43x46mm - xls=11mm/16mm |
Description: |
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Viewed: |
37177 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz |
Locality: | Kamar Safed outcrop (Kamar Saphed), Khenj emerald area,, Khenj District, Panjshir Province, Afghanistan | |
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Dimensions: | 47x43x46mm - xls=11mm/16mm |
Description: |
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Viewed: |
37216 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz |
Locality: | Kamar Safed outcrop (Kamar Saphed), Khenj emerald area,, Khenj District, Panjshir Province, Afghanistan | |
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Dimensions: | 47x43x46mm - xls=11mm/16mm |
Description: |
Note that the upper crystal is bent. |
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Viewed: |
37156 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz |
Locality: | Kamar Safed outcrop (Kamar Saphed), Khenj emerald area,, Khenj District, Panjshir Province, Afghanistan | |
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Dimensions: | 47x43x46mm - xls=11mm/16mm |
Description: |
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Viewed: |
37259 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 09, 2015 18:31 Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#535) |
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This is the Colombian counterpart of the previous specimen (Panjsher #2).
Matrix is pure quartz, partially oxidized.
Note the multiple terminations of the main crystal.
In Peñas Blancas, the emeralds are often saturated and are never far from clear quartz.
Mineral: | Beryl (variety emerald), Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 72x40x68mm, xl=30mm |
Description: |
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Viewed: |
37013 Time(s) |
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Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 72x40x68mm, xl=30mm |
Description: |
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Viewed: |
37082 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 72x40x68mm, xl=30mm |
Description: |
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Viewed: |
37010 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 72x40x68mm, xl=30mm |
Description: |
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Viewed: |
37027 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 10, 2015 10:12 Post subject: Re: Collection of Fiebre Verde - Coscuez (#145) |
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Fine specimen from Coscuez.
Matrix is dark grey calcite.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
37031 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
36998 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
36988 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
37017 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
36965 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
36977 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
37025 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
36963 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 68x62x40mm, xl=15mm |
Description: |
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Viewed: |
37023 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 13, 2015 08:49 Post subject: Re: Collection of Fiebre Verde - Chivor (#23) |
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A crumbly matrix is usually a good indication of a Chivor specimen.
But this piece exceeds the "standard" rusty condition one can expect from a Chivor matrix.
Crystal is unusually long.
This type of material is easy to fake - I have good reasons to believe this one is natural.
Mineral: | Beryl (variety emerald) |
Locality: | Chivor mining district, Buena Vista Mine, Municipio Ubalá, Eastern Emerald Belt, Cundinamarca Department, Colombia | |
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Dimensions: | 67x42x90mm, xl=69mm |
Description: |
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Viewed: |
36890 Time(s) |
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Mineral: | Beryl (variety emerald) |
Locality: | Chivor mining district, Buena Vista Mine, Municipio Ubalá, Eastern Emerald Belt, Cundinamarca Department, Colombia | |
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Dimensions: | 67x42x90mm, xl=69mm |
Description: |
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Viewed: |
36871 Time(s) |
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Mineral: | Beryl (variety emerald) |
Locality: | Chivor mining district, Buena Vista Mine, Municipio Ubalá, Eastern Emerald Belt, Cundinamarca Department, Colombia | |
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Dimensions: | 67x42x90mm, xl=69mm |
Description: |
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Viewed: |
36905 Time(s) |
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Mineral: | Beryl (variety emerald) |
Locality: | Chivor mining district, Buena Vista Mine, Municipio Ubalá, Eastern Emerald Belt, Cundinamarca Department, Colombia | |
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Dimensions: | 67x42x90mm, xl=69mm |
Description: |
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Viewed: |
36880 Time(s) |
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Mineral: | Beryl (variety emerald) |
Locality: | Chivor mining district, Buena Vista Mine, Municipio Ubalá, Eastern Emerald Belt, Cundinamarca Department, Colombia | |
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Dimensions: | 67x42x90mm, xl=69mm |
Description: |
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Viewed: |
36892 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 15, 2015 06:37 Post subject: Re: Collection of Fiebre Verde - Chivor (#258) |
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Colombian green beryl at its best.
Colombian beryls are known for their multiphase inclusions.
The French refer to the large number of inclusions in the stone as "jardin," (French word for garden), because they can resemble plant foliage.
In this crystal, the "jardin" is a combination of inclusions and partially healed cracks and fractures.
These healed cracks are multidirectional and are the main cause of the spectacular sparkling effect that can be observed in this crystal.
Multiphase inclusions and internal cracks and fissures are part of the identity of the Colombian emeralds.
Host rock is grey shale (not featured in the images).
Mineral: | Beryl (variety emerald), Calcite, Pyrite, Albite (variety cleavelandite) |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 22x21x30mm, xl=14mm |
Description: |
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Viewed: |
36777 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Albite (variety cleavelandite) |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 22x21x30mm, xl=14mm |
Description: |
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Viewed: |
36749 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Albite (variety cleavelandite) |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 22x21x30mm, xl=14mm |
Description: |
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Viewed: |
36751 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite, Albite (variety cleavelandite) |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 22x21x30mm, xl=14mm |
Description: |
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Viewed: |
36784 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 16, 2015 17:16 Post subject: Re: Collection of Fiebre Verde - Chivor (#441) |
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A severely corroded beryl crystal.
Main face of the crystal has complex dissolution patterns on the surface.
Interesting to see that one of the edges parallel to the c-axis has been preserved from dissolution.
Despite the presence of small tapered depressions, the flat basal pinacoid termination modified by secondary edge and corner faces is intact.
Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36715 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36739 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36702 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36691 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36694 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 29x18x39mm, xl=24mm |
Description: |
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Viewed: |
36685 Time(s) |
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Josele
Joined: 10 Apr 2012
Posts: 407
Location: Tarifa, Spain
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Posted: Mar 16, 2015 19:27 Post subject: Re: Collection of Fiebre Verde |
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Last two are superb! and the fool's gold gives a nice contrast.
Not easy see emerald sets like this. Thanks again for sharing these green treasures.
_________________ Josele |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 17, 2015 05:31 Post subject: Re: Collection of Fiebre Verde - Emerald-pyrite association from the HMNS |
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Thanks Josele.
Chivor fool's gold can be quite spectacular with sometimes large shiny crystallized nodules.
Attached image is a famous Chivor specimen from the Houston Museum of Natural Science - perhaps the most iconic emerald-pyrite association specimen known.
On the HMNS label, it says:
"The crystallization of the pyrite is very important to the intense color of Colombian emerald, which is generally by far superior to that of any other deposit in the world. It prevented the iron, which would have dulled the color, from being incorporated into the emerald crystal."
Having said that, not all the emerald crystals have an intense color in the presence of unweathered pyrite, but yes, there is definitely a correlation.
Gérard
PS: I decided to post this image in my collection thread even though this piece will probably never find a home in Paris.
It's meant to illustrate the discussion on the Chivor emerald-pyrite association which is I think quite unique and remarkable.
I will try to elaborate on this in my future posts.
Mineral: | Beryl (variety emerald), Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | xl=27mm |
Description: |
Sorry for the poor resolution but I couldn't find any image with more pixels. |
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Viewed: |
36637 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 18, 2015 04:26 Post subject: Re: Collection of Fiebre Verde - La Pita/Polveros (#219) |
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Nice specimen from Polveros, partly dusted with brownish material (goethite?).
Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
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Viewed: |
36531 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
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Viewed: |
36543 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
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Viewed: |
36536 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
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Viewed: |
36502 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
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Viewed: |
36499 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 32x25x32mm, xl=25mm |
Description: |
Actually the emerald crystal is doubly-terminated. |
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Viewed: |
36483 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 19, 2015 16:06 Post subject: Re: Collection of Fiebre Verde - Muzo (#537) |
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Single beryl crystal on a rusty black matrix.
Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 59x34x28mm, xl=15mm |
Description: |
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Viewed: |
36379 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 59x34x28mm, xl=15mm |
Description: |
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Viewed: |
36332 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 59x34x28mm, xl=15mm |
Description: |
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Viewed: |
36368 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 59x34x28mm, xl=15mm |
Description: |
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Viewed: |
36305 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 20, 2015 13:30 Post subject: Re: Collection of Fiebre Verde - Chivor (#403) |
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Single crystal specimen from Chivor on a rusty, partly oxidized matrix.
Note the 2 major fracture zones orthogonal to the c-axis which affect dramatically the overall aspect of the beryl crystal.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 57x38x42mm, xl=20mm |
Description: |
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Viewed: |
36224 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 57x38x42mm, xl=20mm |
Description: |
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Viewed: |
36213 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 57x38x42mm, xl=20mm |
Description: |
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Viewed: |
36216 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 57x38x42mm, xl=20mm |
Description: |
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Viewed: |
36215 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 57x38x42mm, xl=20mm |
Description: |
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Viewed: |
36247 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 24, 2015 14:05 Post subject: Re: Collection of Fiebre Verde - Muzo (#538) |
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Triangle-shaped sparkling specimen from Muzo.
Emerald has a pronounced grayish tone which is not uncommon in Muzo.
Note the presence of elongated depressions on the pinacoid face which is a characteristic feature of the Colombian emeralds.
Black shake host rock is coated by a layer of calcite aggregate.
Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36063 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36071 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36087 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36052 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36065 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36064 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | triangle side=35mm, xl=11mm |
Description: |
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Viewed: |
36057 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 28, 2015 09:16 Post subject: Re: Collection of Fiebre Verde - La Pita/Cunas (#539) |
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A fine specimen from Cunas with a typical slightly yellowish grass-green color.
Beryl crystals are rather small and are partly damaged.
The creamy dolomite/white calcite matrix is barely noticeable.
But what makes this specimen special is the pristine glassiness of the beryl crystals.
Unfortunately my images do not render this feature very effectively so bear with me if you find some pictures redundant.
Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35933 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
36040 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35948 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
36006 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35916 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35886 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35919 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Dolomite |
Locality: | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 42x39x34mm, xls up to 7mm |
Description: |
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Viewed: |
35941 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 31, 2015 04:44 Post subject: Re: Collection of Fiebre Verde - Muzo (#540) |
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About a dozen beryl crystals standing on a white calcite crystal aggregate.
One of the crystals has broken into two parts. The two fracture planes on both ends fit perfectly, so there is no doubt this was originally one single and unique crystal.
The color saturation is different from crystal to crystal.
Host rock is black shale (not visible in the images).
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35858 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35812 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35837 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35815 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35820 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 130x85x100mm, xls up to 27mm |
Description: |
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Viewed: |
35797 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Apr 11, 2015 09:49 Post subject: Re: Collection of Fiebre Verde - Polveros (#261) |
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Emerald on calcite.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35644 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35612 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35609 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35610 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35626 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 35x64x49mm, xl=12mm |
Description: |
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Viewed: |
35657 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jul 04, 2015 07:40 Post subject: Re: Collection of Fiebre Verde - Coscuez (#542) |
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A classic sample from Coscuez.
Note the complex crystallization patterns on the C-face.
Host rock is black shale.
Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 38x35x38mm, xl=5x5mm |
Description: |
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Viewed: |
34897 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 38x35x38mm, xl=5x5mm |
Description: |
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Viewed: |
34886 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 38x35x38mm, xl=5x5mm |
Description: |
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Viewed: |
34884 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jul 12, 2015 15:38 Post subject: Re: Collection of Fiebre Verde - Muzo (#543) |
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Black calcite and black shale give a nice contrast to the emerald crystal.
Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 76x47x45mm, xl=7x5mm |
Description: |
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Viewed: |
34662 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 76x47x45mm, xl=7x5mm |
Description: |
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Viewed: |
34659 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 76x47x45mm, xl=7x5mm |
Description: |
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Viewed: |
34690 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jul 12, 2015 17:13 Post subject: Re: Collection of Fiebre Verde - Polveros (#544) |
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A doubly-terminated crystal from Polveros.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 49x35x19mm, xl=14x5mm |
Description: |
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Viewed: |
34636 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 49x35x19mm, xl=14x5mm |
Description: |
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Viewed: |
34656 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite |
Locality: | La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 49x35x19mm, xl=14x5mm |
Description: |
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Viewed: |
34646 Time(s) |
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