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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: |
37297 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: |
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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37262 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: |
37206 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: |
37231 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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37201 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: |
37206 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: |
37241 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: |
37179 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: |
37196 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: |
37158 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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37181 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: |
37176 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: |
37215 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: |
37155 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: |
37258 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: |
37012 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: |
37081 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: |
37009 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: |
37026 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: |
37030 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: |
36997 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: |
36987 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: |
37016 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: |
36964 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: |
36976 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: |
37024 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: |
36962 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: |
37022 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: |
36889 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: |
36870 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: |
36904 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: |
36879 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: |
36891 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: |
36776 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: |
36748 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: |
36750 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: |
36783 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: |
36714 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: |
36738 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: |
36701 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: |
36690 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: |
36693 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: |
36684 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: |
36636 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: |
36530 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: |
36542 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: |
36535 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: |
36501 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: |
36498 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: |
36482 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: |
36378 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: |
36331 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: |
36367 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: |
36304 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: |
36223 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: |
36212 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: |
36214 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: |
36246 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: |
36062 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: |
36070 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: |
36086 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: |
36051 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: |
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: |
36056 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: |
35932 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: |
36039 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: |
35947 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: |
36005 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: |
35915 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: |
35885 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: |
35918 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: |
35940 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: |
35857 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: |
35811 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: |
35836 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: |
35814 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: |
35819 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: |
35796 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: |
35643 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: |
35611 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: |
35608 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: |
35625 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: |
35656 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: |
34896 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: |
34885 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: |
34883 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: |
34661 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: |
34658 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: |
34689 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: |
34635 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: |
34655 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: |
34645 Time(s) |
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