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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jan 30, 2017 12:19 Post subject: Re: Collection of Fiebre Verde - Rhodonite (#7500) |
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Pierre Joubert wrote: | Fiebre Verde wrote: | As I was carefully examining this specimen with the loupe, the seller - an obscure Catalan dealer - finally admitted, much to his embarrassment, that the fibrous material in the last image was the result of some poor repair work.
After a closer examination, he finally agreed to tell me the truth - these were just fibrous crystals of cummingtonite.
Thank you Jordi, honesty always pays off! |
Hi Gérard. I am afraid you lost me . Did Jordi sell you a repaired specimen????? |
As I was examining the specimen, I asked Jordi about the strange fibrous material that was covering the matrix, here and there.
He looked up to me and told me with a very straight face that he had to fix the specimen and was apologetic about the very poor repair work he had done.
We both had a good laugh and he finally conceded that the fibrous material was very likely cummingtonite.
Typical of Jordi's great sense of humor.
No repair, all natural.
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jan 31, 2017 15:35 Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#631) |
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An oddity from Peñas Blancas.
Main beryl crystal is partly sandwiched between 2 quartz crystals.
Mineral: | Beryl (variety emerald), Quartz, Calcite |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 33x43x20mm, main xl=11mm |
Description: |
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25107 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz, Calcite |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 33x43x20mm, main xl=11mm |
Description: |
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25134 Time(s) |
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Mineral: | Beryl (variety emerald), Quartz, Calcite |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 33x43x20mm, main xl=11mm |
Description: |
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25165 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 03, 2017 09:42 Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#629) |
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Another specimen from Peñas Blancas, with a typical matrix of striated iron-stained calcite and clear quartz.
The group of beryl crystals on the left-hand side is partly covered by quartz.
Host rock is a coarse-grained black shale.
Mineral: | Beryl (variety emerald), Calcite, Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 78x51x44mm, main xl=12mm |
Description: |
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Viewed: |
25006 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 78x51x44mm, main xl=12mm |
Description: |
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25004 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 78x51x44mm, main xl=12mm |
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24992 Time(s) |
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Mineral: | Beryl (variety emerald), Calcite, Quartz |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 78x51x44mm, main xl=12mm |
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25021 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 06, 2017 08:28 Post subject: Re: Collection of Fiebre Verde - Chivor (#628) |
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Host rock is black shale.
Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite, Calcite |
Locality: | Chivor mining district, Manantial Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 44x23x24mm, main xl=8mm |
Description: |
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Viewed: |
24986 Time(s) |
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Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite, Calcite |
Locality: | Chivor mining district, Manantial Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 44x23x24mm, main xl=8mm |
Description: |
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Viewed: |
24953 Time(s) |
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Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite, Calcite |
Locality: | Chivor mining district, Manantial Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 44x23x24mm, main xl=8mm |
Description: |
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Viewed: |
24944 Time(s) |
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Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite, Calcite |
Locality: | Chivor mining district, Manantial Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 44x23x24mm, main xl=8mm |
Description: |
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Viewed: |
24962 Time(s) |
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Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite, Calcite |
Locality: | Chivor mining district, Manantial Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 44x23x24mm, main xl=8mm |
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Viewed: |
25005 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4106
Location: Germany
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Posted: Feb 06, 2017 11:20 Post subject: Re: Collection of Fiebre Verde |
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As usual: Superb crystal & superb photo!
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 06, 2017 11:33 Post subject: Re: Collection of Fiebre Verde |
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Tobi wrote: | As usual: Superb crystal & superb photo! |
Thanks Tobi, I appreciate your comment.
Crystals of that quality rarely survive.
Gérard
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Philippe Durand
Joined: 10 May 2016
Posts: 628
Location: Normandie
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Posted: Feb 06, 2017 12:25 Post subject: Re: Collection of Fiebre Verde |
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the end the crystal is absolutely beautiful;
the base with pyrite and the elongated shape make a very special specimen.
On of your best I think.
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4106
Location: Germany
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Posted: Feb 06, 2017 12:35 Post subject: Re: Collection of Fiebre Verde |
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Philippe Durand wrote: | One of your best I think. | Yes, one of his hundred best ;-)
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 06, 2017 15:20 Post subject: Re: Collection of Fiebre Verde |
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Philippe Durand wrote: | the end the crystal is absolutely beautiful;
the base with pyrite and the elongated shape make a very special specimen.
On of your best I think. |
Thank you for your comment Philippe.
It's a small but very well balanced specimen, quality wise, proportion wise, and composition wise.
Tobi wrote: | Philippe Durand wrote: | One of your best I think. | Yes, one of his hundred best ;-) |
Tobi, I wish I had a hundred of these to start ranking them :-)
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 11, 2017 07:13 Post subject: Re: Collection of Fiebre Verde - Polveros (#492) |
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Group of 14+ of green-yellowish crystals cemented by carbonaceous materials, of which some are double terminated.
Colorless 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: | 35x35mm |
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Viewed: |
24855 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: | 35x35mm |
Description: |
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Viewed: |
24760 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: | 35x35mm |
Description: |
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Viewed: |
24793 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4106
Location: Germany
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Posted: Feb 12, 2017 10:54 Post subject: Re: Collection of Fiebre Verde - Polveros (#492) |
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Fiebre Verde wrote: | Group of 14+ of green-yellowish crystals cemented by carbonaceous materials, of which some are double terminated. Colorless calcite. | What a beautiful specimen, great combination of emerald and white calcite!
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 12, 2017 11:37 Post subject: Re: Collection of Fiebre Verde - Polveros (#492) |
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Tobi wrote: | Fiebre Verde wrote: | Group of 14+ of green-yellowish crystals cemented by carbonaceous materials, of which some are double terminated. Colorless calcite. | What a beautiful specimen, great combination of emerald and white calcite! |
Thanks Tobi.
It's one of the rare occasions where I spent more time checking the calcite than the emerald prior to making a decision. It's usually the opposite :-)
Gérard
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 17, 2017 09:42 Post subject: Re: Collection of Fiebre Verde - Chivor (#355) |
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Emerald is perched on a bed of yellow laminar crystals of albite.
Host rock is black shale.
Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 52x35x35mm, xl=7mm |
Description: |
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Viewed: |
24562 Time(s) |
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Mineral: | Beryl (variety emerald), Albite (variety cleavelandite), Pyrite |
Locality: | Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 52x35x35mm, xl=7mm |
Description: |
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Viewed: |
24597 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 19, 2017 13:59 Post subject: Re: Collection of Fiebre Verde - Muzo (#342) |
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White and brown calcite in a brecciated carbonaceous matrix.
Mineral: | Beryl (variety emerald), Calcite, Pyrite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 27x37x35mm, main xl=7mm |
Description: |
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Viewed: |
24492 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: | 27x37x35mm, main xl=7mm |
Description: |
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Viewed: |
24504 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: | 27x37x35mm, main xl=7mm |
Description: |
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Viewed: |
24524 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 22, 2017 10:42 Post subject: Re: Collection of Fiebre Verde - Cunas (#604) |
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There is a limitless amount of colors in emeralds.
These colors are among the most difficult to render accurately using digital photography and a process to shift them back to how they should look is often needed.
Problem with Colombian emeralds is that the same specimen can have crystals with different hues and we can have different darkness’s of green in anyone of those hues.
It does not make such specimens less attractive – on the contrary – but makes it an even bigger challenge for the photographer.
This is one of those specimens.
The smaller crystal is translucent with a light grassy-green color whereas the largest one is mostly opaque with a much deeper color.
And they are just 2cm apart!
Host rock is black shale.
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: | 56x44x51mm, xls=7mm & 4mm |
Description: |
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Viewed: |
24385 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: | 56x44x51mm, xls=7mm & 4mm |
Description: |
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Viewed: |
24355 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: | 56x44x51mm, xls=7mm & 4mm |
Description: |
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Viewed: |
24392 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: | 56x44x51mm, xls=7mm & 4mm |
Description: |
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Viewed: |
24374 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: | 56x44x51mm, xls=7mm & 4mm |
Description: |
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Viewed: |
24416 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 25, 2017 06:37 Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#529) |
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Small aggregate on white calcite.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 27x18x18mm - Aggregate=6x5mm |
Description: |
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Viewed: |
24291 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Feb 27, 2017 08:08 Post subject: Re: Collection of Fiebre Verde - Muzo (#445) |
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It's always a great pleasure to shoot those crystals.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | xl=9x7mm |
Description: |
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Viewed: |
24175 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: | xl=9x7mm |
Description: |
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Viewed: |
24151 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: | xl=9x7mm |
Description: |
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Viewed: |
24176 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: | xl=9x7mm |
Description: |
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Viewed: |
24175 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 01, 2017 09:29 Post subject: Re: Collection of Fiebre Verde - Muzo (#134) |
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Impact of light...
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | xl=19x13mm |
Description: |
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Viewed: |
24003 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: | xl=19x13mm |
Description: |
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Viewed: |
24053 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 04, 2017 17:10 Post subject: Re: Collection of Fiebre Verde - Coscuez (#494) |
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Lustrous dolomite. Calcite in association with carbonaceous materials.
To build on the ongoing discussion on how important is the exact geographical location for a collector.
This specimen was labeled as 'Coscuez' by the seller which is a level of detail I was happy with considering that the 'Coscuez Mine' encompasses hundreds of tunnels and shafts of which the vast majority has no specific name.
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: | xl=18x6mm |
Description: |
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Viewed: |
23909 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: | xl=18x6mm |
Description: |
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Viewed: |
23872 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: | xl=18x6mm |
Description: |
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Viewed: |
23903 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: | xl=18x6mm |
Description: |
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Viewed: |
23925 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Mar 05, 2017 14:15 Post subject: Re: Collection of Fiebre Verde - Muzo (#645) |
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Host rock is black shale.
Mineral: | Beryl (variety emerald), Calcite |
Locality: | Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia | |
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Dimensions: | 26x27x20mm, xl=11mm |
Description: |
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Viewed: |
23836 Time(s) |
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