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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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 Posted: May 28, 2018 15:06 Post subject: Re: Collection of Fiebre Verde - Coscuez (#691) |
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Light-green, semi-transparent beryl from Coscuez.
Host rock is black shale.
| 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: | 42x20x18mm, xl=9mm |
| Description: |
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| Viewed: |
73515 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: | 42x20x18mm, xl=9mm |
| Description: |
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| Viewed: |
73483 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: | 42x20x18mm, xl=9mm |
| Description: |
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| Viewed: |
73581 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: May 31, 2018 09:21 Post subject: Re: Collection of Fiebre Verde - Pyrophyllite (#6500) |
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One would think that no chromium-rich minerals would grow next to emeralds.
This Cr-bearing variety of pyrophyllite comes from San Gregorio, a locality known for producing the most intense green emeralds of the Chivor mining area.
Host rock is black shale.
| Mineral: | Pyrophyllite (variety Cr-bearing), Pyrite |
| Locality: | | Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 117x72x27mm |
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| Viewed: |
73416 Time(s) |
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| Mineral: | Pyrophyllite (variety Cr-bearing), Pyrite |
| Locality: | | Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 117x72x27mm |
| Description: |
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| Viewed: |
73350 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 03, 2018 09:50 Post subject: Re: Collection of Fiebre Verde - Chivor (#696) |
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Elongated, translucent double terminated crystal, on a partly oxidized black shale host rock.
The beryl crystal rests on a druse of light bluish-grey scalenohedral calcite - a very uncommon form in Chivor and in the 2 emerald belts at large.
This well-balanced specimen is from a recent find in the Chivor area but the exact locality name is guarded more closely than a state secret (as usual...).
Best bet is that it's from Palo Arañado mine.
| Mineral: | Beryl (variety emerald), Calcite |
| Locality: | | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 34x35x34mm, main xl=18mm |
| Description: |
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| Viewed: |
73168 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: | 34x35x34mm, main xl=18mm |
| Description: |
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| Viewed: |
73215 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: | 34x35x34mm, main xl=18mm |
| Description: |
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| Viewed: |
73193 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 05, 2018 12:50 Post subject: Re: Collection of Fiebre Verde - Chivor (#687) |
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Striated pyrite from Chivor.
| Mineral: | Beryl (variety emerald), Pyrite |
| Locality: | | Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | xl=7mm |
| Description: |
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| Viewed: |
72998 Time(s) |
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| Mineral: | Beryl (variety emerald), Pyrite |
| Locality: | | Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | xl=7mm |
| Description: |
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| Viewed: |
73114 Time(s) |
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| Mineral: | Beryl (variety emerald), Pyrite |
| Locality: | | Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | xl=7mm |
| Description: |
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| Viewed: |
73087 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 08, 2018 15:40 Post subject: Re: Collection of Fiebre Verde - Coscuez (#693) |
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Calcite matrix.
| 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: | 49x53x33mm, xls=12 & 14mm |
| Description: |
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| Viewed: |
72876 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 11, 2018 01:50 Post subject: Re: Collection of Fiebre Verde - Coscuez (#697) |
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Two generations of calcite, striated tabular form (common) and clear prismatic form (not so common)
| 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: | 40x35x16mm, aggregate=10x15mm |
| Description: |
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| Viewed: |
73656 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 16, 2018 10:24 Post subject: Re: Collection of Fiebre Verde - Chivor (#692) |
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Group of beryl crystals in a calcite matrix.
Though smaller than the Muzo ones, the Chivor stones often exhibit more sparkle.
| Mineral: | Beryl (variety emerald), Calcite, Pyrite |
| Locality: | | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 37x30x32mm, largest xl=10mm |
| Description: |
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| Viewed: |
73465 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: | 37x30x32mm, largest xl=10mm |
| Description: |
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| Viewed: |
73437 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jun 29, 2018 11:47 Post subject: Re: Collection of Fiebre Verde - Chivor (#702) |
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Light-green beryl crystals on a marble-like calcite matrix mixed with patches of black shale.
| Mineral: | Beryl (variety emerald), Calcite, Pyrite |
| Locality: | | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 89x138x35mm, 15+ xls up to 10mm |
| Description: |
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| Viewed: |
73211 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: | 89x138x35mm, 15+ xls up to 10mm |
| Description: |
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| Viewed: |
73251 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 06, 2018 05:18 Post subject: Re: Collection of Fiebre Verde - Cunas (#699) |
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From Cunas,
Well crystallized dolomite, calcite, clear quartz.
| Mineral: | Beryl (variety emerald), Calcite, Dolomite, Quartz |
| Locality: | | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 42x24x23mm, xls=8mm |
| Description: |
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| Viewed: |
73077 Time(s) |
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| Mineral: | Beryl (variety emerald), Calcite, Dolomite, Quartz |
| Locality: | | La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 42x24x23mm, xls=8mm |
| Description: |
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| Viewed: |
73125 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 09, 2018 13:03 Post subject: Re: Collection of Fiebre Verde - Chivor (#698) |
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Host rock is black shale.
| Mineral: | Beryl (variety emerald), Calcite, Pyrite |
| Locality: | | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 39x36x18mm, xl=7mm |
| Description: |
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| Viewed: |
72959 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: | 39x36x18mm, xl=7mm |
| Description: |
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| Viewed: |
72948 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: | 39x36x18mm, xl=7mm |
| Description: |
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| Viewed: |
72951 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 13, 2018 08:10 Post subject: Re: Collection of Fiebre Verde - Coscuez (#694) |
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Coscuez specimen with ~15 thin elongated beryl crystals on a calcite + dolomite matrix.
| Mineral: | Beryl (variety emerald), Calcite, Dolomite |
| Locality: | | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 51x39x33mm, xls up to 12mm |
| Description: |
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| Viewed: |
72746 Time(s) |
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| Mineral: | Beryl (variety emerald), Calcite, Dolomite |
| Locality: | | Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 51x39x33mm, xls up to 12mm |
| Description: |
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| Viewed: |
72828 Time(s) |
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Jul 13, 2018 09:07 Post subject: Re: Collection of Fiebre Verde |
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I like this last specimen!
_________________
Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 13, 2018 17:23 Post subject: Re: Collection of Fiebre Verde |
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| Pierre Joubert wrote: | | I like this last specimen! |
I'm glad you like it Pierre!
Coscuez has a wide variety of crystal forms - elongated prisms are certainly not the most common form.
Gérard
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 17, 2018 06:08 Post subject: Re: Collection of Fiebre Verde - Chivor (#370) |
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Laminar albite, pyrite, dolomite, on black shale.
| Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Dolomite, Pyrite |
| Locality: | | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 40x43x34mm, xl=15mm |
| Description: |
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| Viewed: |
72593 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 944
Location: Paris Area
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| Posted: Jul 22, 2018 08:53 Post subject: Re: Collection of Fiebre Verde - Chivor (#704) |
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Translucent crystal from Palo Arañado.
Weathered pyrite and calcite on black shale.
| Mineral: | Beryl (variety emerald), Calcite, Pyrite |
| Locality: | | Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 51x49x46mm, main xl=20mm |
| Description: |
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| Viewed: |
72484 Time(s) |
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| Mineral: | Beryl (variety emerald), Calcite, Pyrite |
| Locality: | | Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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| Dimensions: | 51x49x46mm, main xl=20mm |
| Description: |
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| Viewed: |
72443 Time(s) |
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