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Collection of Fiebre Verde
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Fiebre Verde




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PostPosted: Jul 28, 2016 10:05    Post subject: Re: Collection of Fiebre Verde - Polveros (#592)  

Clear yellow-light green beryl crystal.
Calcite crystals set in a limonized-brecciated matrix.



IMG_4416nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x25x30mm, xl=7x7mm
 Description:
 Viewed:  11108 Time(s)

IMG_4416nb.JPG



IMG_4418nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x25x30mm, xl=7x7mm
 Description:
 Viewed:  11105 Time(s)

IMG_4418nb.JPG



IMG_4433nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x25x30mm, xl=7x7mm
 Description:
 Viewed:  11138 Time(s)

IMG_4433nb.JPG


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Fiebre Verde




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PostPosted: Jul 30, 2016 05:16    Post subject: Re: Collection of Fiebre Verde - La Pita (#601)  

A classic specimen from La Pita.
Host rock is black shale.



IMG_3865nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11036 Time(s)

IMG_3865nb.JPG



IMG_3861nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11032 Time(s)

IMG_3861nb.JPG



IMG_4586nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11022 Time(s)

IMG_4586nb.JPG



IMG_4595nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11034 Time(s)

IMG_4595nb.JPG



IMG_4636nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11050 Time(s)

IMG_4636nb.JPG



IMG_4644nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 53x38x34mm, xl=5x4mm
 Description:
 Viewed:  11054 Time(s)

IMG_4644nb.JPG


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Philippe Durand




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PostPosted: Jul 30, 2016 14:30    Post subject: Re: Collection of Fiebre Verde  

I Like the way that you present your specimen, from a wide view to a more and more close view. Really nice to fully appreciate a piece
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Fiebre Verde




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PostPosted: Jul 30, 2016 16:20    Post subject: Re: Collection of Fiebre Verde  

Philippe Durand wrote:
I Like the way that you present your specimen, from a wide view to a more and more close view. Really nice to fully appreciate a piece


Thank you Philippe - I am glad to hear you appreciate this approach!
To id my specimens, I often take lots of shots from wide views to close-ups, exploring different lighting and using various angles.
And when reviewing the result, I find it's always a dilemma to choose just one picture that summarizes it all.
One of the beauty of this forum is that it gives the option to go beyond that one summary picture (Although I do realize that I sometimes abuse that freedom a little...)
Gérard
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Fiebre Verde




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PostPosted: Jul 31, 2016 13:50    Post subject: Re: Collection of Fiebre Verde - La Pita (#611)  

Beryl crystals on a calcite matrix.
The smallest crystal (13mm) is flawless and transparent.



IMG_4706nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10927 Time(s)

IMG_4706nb.JPG



IMG_4782nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10911 Time(s)

IMG_4782nb.JPG



IMG_4722nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10919 Time(s)

IMG_4722nb.JPG



IMG_4714nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10933 Time(s)

IMG_4714nb.JPG



IMG_4754nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10927 Time(s)

IMG_4754nb.JPG



IMG_4736nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 46x85x20mm, xls=26, 16 & 13mm
 Description:
 Viewed:  10938 Time(s)

IMG_4736nb.JPG


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Fiebre Verde




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PostPosted: Aug 03, 2016 07:54    Post subject: Re: Collection of Fiebre Verde - Chivor (#91)  

There are sprays of acicular aragonite all over the specimen.
White and colorless calcite set in a brecciated matrix with patches of black shale and grey limestone.



IMG_4840nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Aragonite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 75x63x64mm, main xl=11x9mm
 Description:
 Viewed:  10817 Time(s)

IMG_4840nb.JPG



IMG_4864nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Aragonite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 75x63x64mm, main xl=11x9mm
 Description:
 Viewed:  10836 Time(s)

IMG_4864nb.JPG


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Fiebre Verde




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PostPosted: Aug 05, 2016 07:59    Post subject: Re: Collection of Fiebre Verde - Chivor (#503)  

In Colombia, the different districts and localities are known to produce emeralds that differ significantly in color, tone, and clarity.
Even if some trends have been observed it’s difficult to apply a rigid locality (or area) classification scheme based on color features alone when presented with an emerald specimen (or even worse, a faceted stone!).
Muzo emeralds are supposedly saturated, slightly yellowish green whereas Chivor emeralds are less saturated and exhibit a slight bluish tinge. But the opposite also occurs.
Color classification is mainly driven by the jewelry industry (with the help and creativity of some labs) which often refers to the beauty of the Colombian faceted emerald using a questionable terminology to describe their color features.

Back to this Chivor specimen… Although the crystals exhibit a slight bluish tinge, they are far more saturated than the average saturation of the Muzo crystals.
San Gregorio is known for producing relatively small but highly saturated crystals.
Lustrous dolomite, pyrite, on a crumbly grey shale.



IMG_4890nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 21x58x31mm, largest xl=13mm
 Description:
 Viewed:  10743 Time(s)

IMG_4890nb.JPG



IMG_5003nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 21x58x31mm, largest xl=13mm
 Description:
 Viewed:  10719 Time(s)

IMG_5003nb.JPG



IMG_4954nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 21x58x31mm, largest xl=13mm
 Description:
 Viewed:  10726 Time(s)

IMG_4954nb.JPG



IMG_4965nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 21x58x31mm, largest xl=13mm
 Description:
 Viewed:  10730 Time(s)

IMG_4965nb.JPG



IMG_4937nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Chivor mining district, San Gregorio Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 21x58x31mm, largest xl=13mm
 Description:
 Viewed:  10749 Time(s)

IMG_4937nb.JPG


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Fiebre Verde




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PostPosted: Aug 06, 2016 09:04    Post subject: Re: Collection of Fiebre Verde - Coscuez (#566)  

The beryl prism of this Coscuez specimen is partially coated with tiny calcite crystals.
Host rock is a coarse-grained black shale



IMG_5009nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10671 Time(s)

IMG_5009nb.JPG



IMG_5026nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10681 Time(s)

IMG_5026nb.JPG



IMG_5071nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10661 Time(s)

IMG_5071nb.JPG



IMG_5143nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10667 Time(s)

IMG_5143nb.JPG



IMG_5116nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10678 Time(s)

IMG_5116nb.JPG



IMG_5135nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10663 Time(s)

IMG_5135nb.JPG



IMG_8213nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x20x60mm, xl=7x5mm
 Description:
 Viewed:  10710 Time(s)

IMG_8213nb.JPG


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Fiebre Verde




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PostPosted: Aug 07, 2016 13:07    Post subject: Re: Collection of Fiebre Verde - Calceteros (#485)  

Calceteros mine also known as “Calcetero” or “El Calcetero” is located almost halfway between the historic mining areas of Coscuez and Peñas Blancas.
The emerald deposits of Coscuez and Calceteros are situated in the lower cretaceous Paja rocks units formation whereas the Peñas Blancas deposits are hosted by the (younger) Rosa Blanca formation (also lower cretaceous).
Based on this geological formation criteria alone, it was decided to attach the Calceteros locality to the Coscuez district rather than to Peñas Blancas.

I only have a handful of specimens from Calceteros and they exhibit some common features.
E.g. Oxidized coarse-grained black shale, coarse-grained aggregates of albite, quartz.
Beryl crystals are grouped into aggregates of small (<1cm) light green prisms with either a yellowish or bluish tinge.
Terminations often exhibit pyramidal faces combined with the flat pinacoid face.
The secondary color here is clearly yellow.

It’s impossible to draw conclusions about patterns and characteristics of this not so well-known locality with just a handful of specimens.
These are just basic observations which need to be corroborated by additional evidence which would require many more samples from additional finds!



Calcetero.JPG
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Description:
"El Calcetero" is located halfway between the historic mining areas of Coscuez and Peñas Blancas (From Yannick Branquet, 1999).
 Viewed:  10632 Time(s)

Calcetero.JPG



IMG_5152nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Quartz, Calcite
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 96x75x33mm, xls up to 10mm
 Description:
 Viewed:  10606 Time(s)

IMG_5152nb.JPG



IMG_5163nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Quartz, Calcite
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 96x75x33mm, xls up to 10mm
 Description:
 Viewed:  10619 Time(s)

IMG_5163nb.JPG


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Fiebre Verde




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PostPosted: Aug 10, 2016 06:54    Post subject: Re: Collection of Fiebre Verde - Chivor (#378)  

From a relatively recent find (2011) in the Chivor district.
Host rock is black shale.



IMG_5189nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 38x35x18mm, largest xl=20mm
 Description:
 Viewed:  10530 Time(s)

IMG_5189nb.JPG



IMG_5226nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 38x35x18mm, largest xl=20mm
 Description:
 Viewed:  10513 Time(s)

IMG_5226nb.JPG



IMG_5211nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 38x35x18mm, largest xl=20mm
 Description:
 Viewed:  10522 Time(s)

IMG_5211nb.JPG



IMG_5225nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Palo Arañado Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 38x35x18mm, largest xl=20mm
 Description:
 Viewed:  10527 Time(s)

IMG_5225nb.JPG


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Philippe Durand




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PostPosted: Aug 10, 2016 14:17    Post subject: Re: Collection of Fiebre Verde  

striking combination
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Fiebre Verde




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PostPosted: Aug 11, 2016 07:02    Post subject: Re: Collection of Fiebre Verde  

Philippe Durand wrote:
striking combination


Thanks for your appreciation Philippe.

Faceted Colombian emeralds have been praised for so long for their quality but nothing surpasses the beauty of the matrix specimens they come from.
In Colombia, the combination of various minerals and host rocks along with the beryl crystal(s) often produces the effect you stated. And this is even more true with the Chivor specimens.

Gérard
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Jamison Brizendine




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PostPosted: Aug 11, 2016 09:21    Post subject: Re: Collection of Fiebre Verde  

This thread never ceases to amaze me!

I particularly like the specimen from the Calceteros Mine (IMG_5152nb.JPG) and the emerald in the calcite/quartz vein from Chivor (IMG_4149nb.JPG).

I also like the aragonite and calcite specimen from Chivor as well (IMG_4840nb.JPG). What a cool oddity...
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PostPosted: Aug 11, 2016 12:15    Post subject: Re: Collection of Fiebre Verde  

Philippe Durand wrote:
striking combination
I agree, that emerald/pyrite combination gets me every time :)
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Fiebre Verde




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PostPosted: Aug 12, 2016 05:07    Post subject: Re: Collection of Fiebre Verde  

Jamison Brizendine wrote:
This thread never ceases to amaze me!

I particularly like the specimen from the Calceteros Mine (IMG_5152nb.JPG) and the emerald in the calcite/quartz vein from Chivor (IMG_4149nb.JPG).

I also like the aragonite and calcite specimen from Chivor as well (IMG_4840nb.JPG). What a cool oddity...

Well spotted Jamison.
Collectors, dealers and mineral lovers at large are often (too often?) exposed to classic specimens which can indeed be spectacular.
But there are many, many oddities out there, you just need to find them.
They are generally overlooked by the local stakeholders (mine owners, miners, brokers, dealers...). This situation can only be reversed through an educational process.

Tobi wrote:
Philippe Durand wrote:
striking combination
I agree, that emerald/pyrite combination gets me every time :)

The emerald/crystallized pyrite combination is found virtually everywhere in the Colombian emerald districts (with the notable exception of Peñas Blancas where the weathering environment has altered the pyrite).
I find there are many more variations of this combination in the Chivor region than in any other Emerald district.
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PostPosted: Aug 13, 2016 02:14    Post subject: Re: Collection of Fiebre Verde - Muzo (#13)  

Another oddity, from Muzo this time.
Parisite was named after J.J. Paris, a former manager of the Muzo mine, who found this rare carbonate mineral in 1835.

Host rock is black shale.



IMG_5618nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Parisite-(Ce)
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 39x12x22mm, Parisite=5mm, largest Beryl=12mm
 Description:
 Viewed:  10286 Time(s)

IMG_5618nb.JPG



IMG_5633nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Parisite-(Ce)
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 39x12x22mm, Parisite=5mm, largest Beryl=12mm
 Description:
 Viewed:  10293 Time(s)

IMG_5633nb.JPG


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Fiebre Verde




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PostPosted: Aug 17, 2016 10:23    Post subject: Re: Collection of Fiebre Verde - Coscuez (#612)  

Beryl crystal intergrown with lustrous dolomite.
Host rock is black shale.



IMG_5361nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 29x45x27mm, xl=34mm
 Description:
 Viewed:  10181 Time(s)

IMG_5361nb.JPG



IMG_5280nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 29x45x27mm, xl=34mm
 Description:
 Viewed:  10159 Time(s)

IMG_5280nb.JPG



IMG_5329nb.JPG
 Mineral: Beryl (variety emerald), Dolomite, Pyrite
 Locality:
Coscuez mining district, Calceteros Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 29x45x27mm, xl=34mm
 Description:
 Viewed:  10182 Time(s)

IMG_5329nb.JPG


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Fiebre Verde




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PostPosted: Aug 19, 2016 10:22    Post subject: Re: Collection of Fiebre Verde - Chivor (#376)  

Glowing crystal with a complex asymmetric pyramidal termination perched on an aggregate of snowy white coarse-grained albite.


IMG_5661nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10102 Time(s)

IMG_5661nb.JPG



IMG_3190nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10099 Time(s)

IMG_3190nb.JPG



IMG_5684nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10092 Time(s)

IMG_5684nb.JPG



IMG_5715nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10088 Time(s)

IMG_5715nb.JPG



IMG_5726nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10103 Time(s)

IMG_5726nb.JPG



IMG_5770nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 24x13x11mm, xl=6mm
 Description:
 Viewed:  10099 Time(s)

IMG_5770nb.JPG


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Tobi




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PostPosted: Aug 19, 2016 11:30    Post subject: Re: Collection of Fiebre Verde - Chivor (#376)  

Fiebre Verde wrote:
Glowing crystal with a complex asymmetric pyramidal termination perched on an aggregate of snowy white coarse-grained albite.
Simply a PERFECT emerald crystal: Perfect gemminess, perfect termination, perfect position on the matrix! Ok, maybe not the most-desired dark green colour (according to a jeweler's point of view) ... but I guess no one among us mineral enthusiasts dares to criticize that stunning mineral specimen in any way ;-)
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PostPosted: Aug 20, 2016 09:59    Post subject: Re: Collection of Fiebre Verde - Chivor (#376)  

Tobi wrote:
Fiebre Verde wrote:
Glowing crystal with a complex asymmetric pyramidal termination perched on an aggregate of snowy white coarse-grained albite.
Simply a PERFECT emerald crystal: Perfect gemminess, perfect termination, perfect position on the matrix! Ok, maybe not the most-desired dark green colour (according to a jeweler's point of view) ... but I guess no one among us mineral enthusiasts dares to criticize that stunning mineral specimen in any way ;-)

Thanks Tobi!
Color is indeed not saturated but it has that desirable bluish tinge which is more commonly seen in Chivor that in the other mining areas.of the western belt.
Also what makes that specimen special is the complex asymmetrical termination.
I know prices should not be discussed in this forum but the offer I got from a dealer in Bogota was a real bargain.
I think it was just overlooked mainly because of its size and lack of saturation.
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