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Collection of Fiebre Verde
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Fiebre Verde




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PostPosted: Jan 30, 2016 16:00    Post subject: Re: Collection of Fiebre Verde  

Josele wrote:
Really an interesting piece!

A quick search in mindat gives more examples of Colombian emerald-apatite combinations:
https://www.mindat.org/photo-66089.html
https://www.mindat.org/photo-66130.html

If it is not Colombian, could be also from Pakistan.

Did you check the fluorescence?


Thanks for the quick feedback Josele.

This is almost embarrassing...
I don't have a UV lamp at hand so no fluorescence test possible before I get one :-(
Also how did I possibly miss these 2 mindat references?
And finally yes, you're correct, I did overlook Pakistan as another possibility.

A big THANK YOU for pointing out these links - that's very interesting!! This might be the light at the end of the tunnel.
It happens that I know personally the owner of this photo gallery. Gives me some hope to narrow down the ID of this specimen to a district, or even better, a locality.
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PostPosted: Feb 01, 2016 08:53    Post subject: Re: Collection of Fiebre Verde - Coscuez (#583)  

Fine beryl from Coscuez.


IMG_3040nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 44x41x23mm, xl=15x9x7mm
 Description:
 Viewed:  65632 Time(s)

IMG_3040nb.JPG



IMG_3060nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 44x41x23mm, xl=15x9x7mm
 Description:
 Viewed:  65694 Time(s)

IMG_3060nb.JPG



IMG_3140nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 44x41x23mm, xl=15x9x7mm
 Description:
 Viewed:  65618 Time(s)

IMG_3140nb.JPG



IMG_3109nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 44x41x23mm, xl=15x9x7mm
 Description:
 Viewed:  65641 Time(s)

IMG_3109nb.JPG


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Tobi
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PostPosted: Feb 01, 2016 11:21    Post subject: Re: Collection of Fiebre Verde  

I will never get tired of watching these green gems - please more :)
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PostPosted: Feb 01, 2016 11:33    Post subject: Re: Collection of Fiebre Verde  

Tobi wrote:
I will never get tired of watching these green gems - please more :)


Thanks Tobi.
It just so happens that there are a few more left :-)
Gérard
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PostPosted: Feb 02, 2016 08:57    Post subject: Re: Collection of Fiebre Verde - Gachalá (#274)  

A large beryl crystal from El Toro, in the Gachalá mining district.

The El Toro mine is located next to the Matecaña tunnel which is known to have produced in the early 00’s the famous emerald gastropods (BTW, for those interested in this topic, some very interesting discussions and photos can be found in this forum).
The material produced from El Toro is frequently coated with a thin film of brown limonite which gives a stunning copper iridescence. In Gachalá, the limonite is formed from the weathering of pyrite.
Obviously the limonite coating has been removed from the beryl but not from the surrounding quartz crystals which I think, improves the overall aesthetic of this specimen (and incidentally makes the photographer’s life much easier).
In the future, I will post more specimens from El Toro where the film of limonite has been completely removed.

Out of all the El Toro crystals I have seen, the vast majority were light green and opaque. This one has a good luster and some degree of transparency in the upper part.



IMG_3190nb.JPG
 Mineral: Beryl (variety emerald), Quartz
 Locality:
Gachalá mining district, El Toro Mine, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 37x48x41mm, xl=17x20mm
 Description:
 Viewed:  65455 Time(s)

IMG_3190nb.JPG



IMG_3214nb.JPG
 Mineral: Beryl (variety emerald), Quartz
 Locality:
Gachalá mining district, El Toro Mine, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 37x48x41mm, xl=17x20mm
 Description:
 Viewed:  65544 Time(s)

IMG_3214nb.JPG



IMG_3234nb.JPG
 Mineral: Beryl (variety emerald), Quartz
 Locality:
Gachalá mining district, El Toro Mine, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 37x48x41mm, xl=17x20mm
 Description:
 Viewed:  65531 Time(s)

IMG_3234nb.JPG


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Fiebre Verde




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PostPosted: Feb 03, 2016 15:45    Post subject: Re: Collection of Fiebre Verde - Gachalá (#575)  

Another specimen from an unknown locality of the Gachalá district.
The beryl crystal features 2 planar surfaces, a light green surface and a dark green surface.
The light green one is actually a contact plane.
The darker one is a bit more challenging - the step-like tabular patterns might suggest that the whole surface is actually a system of complex terminations.
I have never seen anything like this at this scale - looking for your suggestions and ideas!
Sorry for the quality of the close-ups - I tried again and again, but could not get anything better :-(

Host rock is black shale.



IMG_3261nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Gachalá mining district, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 55x36x35mm, xl=24x20mm
 Description:
 Viewed:  65384 Time(s)

IMG_3261nb.JPG



IMG_9757nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Gachalá mining district, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 55x36x35mm, xl=24x20mm
 Description:
 Viewed:  65420 Time(s)

IMG_9757nb.JPG



IMG_3269nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Gachalá mining district, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 55x36x35mm, xl=24x20mm
 Description:
 Viewed:  65405 Time(s)

IMG_3269nb.JPG



IMG_3279nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Gachalá mining district, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 55x36x35mm, xl=24x20mm
 Description:
 Viewed:  65432 Time(s)

IMG_3279nb.JPG


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PostPosted: Feb 05, 2016 06:09    Post subject: Re: Collection of Fiebre Verde - La Pita (#259)  

Aggregate of 5 crystals from the La Pita district - all double terminated.
Host rock is black shale.



IMG_3305nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 27x40x31mm, aggregate=15x13mm
 Description:
 Viewed:  65312 Time(s)

IMG_3305nb.JPG



IMG_3379nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 27x40x31mm, aggregate=15x13mm
 Description:
 Viewed:  65319 Time(s)

IMG_3379nb.JPG



IMG_3437nb.JPG
 Mineral: Beryl (variety emerald), Calcite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 27x40x31mm, aggregate=15x13mm
 Description:
 Viewed:  65332 Time(s)

IMG_3437nb.JPG


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PostPosted: Feb 06, 2016 16:10    Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#546)  

The iron-stained creamy calcite combined with the clear quartz and the velvety blue-green emeralds makes this specimen unmistakably from Peñas Blancas.
The calcite and the emeralds are dusted with brownish-black goethite.
Host rock is black shale.



IMG_3462nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65254 Time(s)

IMG_3462nb.JPG



IMG_3499nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65208 Time(s)

IMG_3499nb.JPG



IMG_3682nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65208 Time(s)

IMG_3682nb.JPG



IMG_3507nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65204 Time(s)

IMG_3507nb.JPG



IMG_3536nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65235 Time(s)

IMG_3536nb.JPG



IMG_3672nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65266 Time(s)

IMG_3672nb.JPG



IMG_3563nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65210 Time(s)

IMG_3563nb.JPG



IMG_3628nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz, Goethite
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 49x52x70mm, main xl=7x4mm
 Description:
 Viewed:  65254 Time(s)

IMG_3628nb.JPG


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Fiebre Verde




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PostPosted: Feb 07, 2016 16:20    Post subject: Re: Collection of Fiebre Verde - Peñas Blancas (#15)  

Coating of botryoidal white calcite with clear quartz crystals.
Host rock is fine-grained argillite shale.

Peñas Blancas is the northernmost locality of the Western Emerald Belt.
It's located about 10km north-northeast of the Coscuez district.



IMG_3744nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 105x130x50mm, largest xl=18mm
 Description:
 Viewed:  65135 Time(s)

IMG_3744nb.JPG



IMG_3798nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Quartz
 Locality:
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 105x130x50mm, largest xl=18mm
 Description:
 Viewed:  65210 Time(s)

IMG_3798nb.JPG


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PostPosted: Feb 08, 2016 16:09    Post subject: Re: Collection of Fiebre Verde - Chivor (#90)  

Host rock is fine-grained grey shale.


IMG_3899nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65142 Time(s)

IMG_3899nb.JPG



IMG_3918nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65110 Time(s)

IMG_3918nb.JPG



IMG_3954nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65123 Time(s)

IMG_3954nb.JPG



IMG_3997nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65104 Time(s)

IMG_3997nb.JPG



IMG_4014nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65087 Time(s)

IMG_4014nb.JPG



IMG_4036nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65084 Time(s)

IMG_4036nb.JPG



IMG_4044nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 56x63x43mm, xl=30x7mm
 Description:
 Viewed:  65043 Time(s)

IMG_4044nb.JPG


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Fiebre Verde




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PostPosted: Feb 11, 2016 10:39    Post subject: Re: Collection of Fiebre Verde - Chivor (#303)  

Fine beryl crystals from Chivor.
These complex pyramidal terminations are not uncommon in the Eastern Belt.
I don't have much information on the locality but I would not be surprised if this specimen was from El Oriente mine.



IMG_4147nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58902 Time(s)

IMG_4147nb.JPG



IMG_4155nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58867 Time(s)

IMG_4155nb.JPG



IMG_4160nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58897 Time(s)

IMG_4160nb.JPG



IMG_4218nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58893 Time(s)

IMG_4218nb.JPG



IMG_4232nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58849 Time(s)

IMG_4232nb.JPG



IMG_4172nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58905 Time(s)

IMG_4172nb.JPG



IMG_4193nb.JPG
 Mineral: Beryl (Var. Emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 78x40x34mm, xls=12 & 11mm
 Description:
 Viewed:  58958 Time(s)

IMG_4193nb.JPG


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Fiebre Verde




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PostPosted: Feb 12, 2016 04:09    Post subject: Re: Collection of Fiebre Verde - Chivor (#194)  

This is another example that illustrates the broadness and variety of the Chivor emeralds. Associations, color, termination and crystal form, the Chivor district has a lot going for it!
These emerald aggregates were recovered from a pocket discovered in the late 00's.
Host rock is grey limestone shale.

This specimen is from a locality which does not appear in the list
Chivor mining district, Mina Piedra de Chulo, Municipio Chivor, Eastern Emerald Belt, Boyacá
I would be grateful if a site admin could maybe update the list. Thanks!



IMG_4240nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 100x80x50mm, largest aggregate=17x13mm
 Description:
 Viewed:  58849 Time(s)

IMG_4240nb.JPG



IMG_4276nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 100x80x50mm, largest aggregate=17x13mm
 Description:
 Viewed:  58899 Time(s)

IMG_4276nb.JPG



IMG_4324nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 100x80x50mm, largest aggregate=17x13mm
 Description:
 Viewed:  58836 Time(s)

IMG_4324nb.JPG



IMG_4301nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 100x80x50mm, largest aggregate=17x13mm
 Description:
 Viewed:  58892 Time(s)

IMG_4301nb.JPG


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Fiebre Verde




Joined: 11 Sep 2013
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PostPosted: Feb 14, 2016 08:06    Post subject: Re: Collection of Fiebre Verde - Chivor (#243)  

Host rock is grey limestone shale.


IMG_4413nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 58x65x50mm, xl=30mm
 Description:
 Viewed:  58719 Time(s)

IMG_4413nb.JPG



IMG_4365nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 58x65x50mm, xl=30mm
 Description:
 Viewed:  58692 Time(s)

IMG_4365nb.JPG



IMG_4379nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 58x65x50mm, xl=30mm
 Description:
 Viewed:  58706 Time(s)

IMG_4379nb.JPG


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Fiebre Verde




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PostPosted: Feb 15, 2016 10:12    Post subject: Re: Collection of Fiebre Verde - Gachalá (#198)  

A short while ago I had posted a specimen coated with a thin film of brown limonite (February 2).
Here is another specimen from the same mine where the limonite has been (almost) completely removed.

All these El Toro limonite-coated specimens have been recovered from the same pocket in 2008. And because of the limited size of this pocket, handcrafted specimens in the form of intergrown clusters flooded the market in the late 00's. Floaters were simply glued and covered with a film of limonite.



IMG_4477nb.JPG
 Mineral: Beryl (variety emerald)
 Locality:
Gachalá mining district, El Toro Mine, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 73x49x41mm
 Description:
 Viewed:  58708 Time(s)

IMG_4477nb.JPG



IMG_4499nb.JPG
 Mineral: Beryl (variety emerald)
 Locality:
Gachalá mining district, El Toro Mine, Municipio Gachalá, Eastern Emerald Belt, Cundinamarca Department, Colombia
 Dimensions: 73x49x41mm
 Description:
 Viewed:  58647 Time(s)

IMG_4499nb.JPG


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Pierre Joubert




Joined: 09 Mar 2012
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PostPosted: Feb 15, 2016 10:31    Post subject: Re: Collection of Fiebre Verde  

Hi Gerard. I find this specimen 'IMG_4240nb.JPG' very interesting.
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Pierre Joubert


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