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Collection of Fiebre Verde
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franjungle




Joined: 05 Apr 2017
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PostPosted: Apr 29, 2017 00:04    Post subject: Re: Collection of Fiebre Verde  

Paris surprise!!
Amazing found specimen!!!.

Thank you for your valuable humor.

Very free, clean and air crystal.

I just have a little question for you. Cat´s eye effect is the different quality along the crystal?? Gem quality only in its upper part?

Regards.
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Fiebre Verde




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PostPosted: Apr 29, 2017 08:21    Post subject: Re: Collection of Fiebre Verde  

franjungle wrote:

I just have a little question for you. Cat´s eye effect is the different quality along the crystal?? Gem quality only in its upper part?

Hello Firmo,

Thanks for your appreciation - these special specimens do not come up very often.

As per your question,
In the attached image I tried to grasp the very subtle tubes which run parallel to the C-axis, but to no success. They can be noticed in the cleanest part of the crystal (last 5mm), under proper lighting and orientation .
These tubes might indicate cat's eyes and the only way to confirm this observation is to cut the crystal along the C-axis (Which I am not yet prepared to do).

Gérard



IMG_1534nb.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: crystal=45mm
 Description:
The clear part of the crystal is about 5mm long.
 Viewed:  3593 Time(s)

IMG_1534nb.JPG


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Don Lum




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PostPosted: Apr 29, 2017 11:47    Post subject: Re: Collection of Fiebre Verde  

Fiebre Verde wrote:
franjungle wrote:

I just have a little question for you. Cat´s eye effect is the different quality along the crystal?? Gem quality only in its upper part?

Hello Firmo,

Thanks for your appreciation - these special specimens do not come up very often.

As per your question,
In the attached image I tried to grasp the very subtle tubes which run parallel to the C-axis, but to no success. They can be noticed in the cleanest part of the crystal (last 5mm), under proper lighting and orientation .
These tubes might indicate cat's eyes and the only way to confirm this observation is to cut the crystal along the C-axis (Which I am not yet prepared to do).

Gérard



Gérard,

I have an Aquamarine that has tubes similar to your Emerald.

Regards,

Don

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Philippe Durand




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PostPosted: Apr 29, 2017 12:43    Post subject: Re: Collection of Fiebre Verde  

this is a great specimen !
congratulations, bravo !
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Fiebre Verde




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PostPosted: Apr 29, 2017 12:53    Post subject: Re: Collection of Fiebre Verde  

Don Lum wrote:
Fiebre Verde wrote:
franjungle wrote:

I just have a little question for you. Cat´s eye effect is the different quality along the crystal?? Gem quality only in its upper part?

Hello Firmo,

Thanks for your appreciation - these special specimens do not come up very often.

As per your question,
In the attached image I tried to grasp the very subtle tubes which run parallel to the C-axis, but to no success. They can be noticed in the cleanest part of the crystal (last 5mm), under proper lighting and orientation .
These tubes might indicate cat's eyes and the only way to confirm this observation is to cut the crystal along the C-axis (Which I am not yet prepared to do).

Gérard


Gérard,

I have an Aquamarine that has tubes similar to your Emerald.

Regards,

Don

Thanks for the input Don!

Talking about beryls, my understanding is that cat's eye is not so uncommon with aquamarines and emeralds.
Trapiche emeralds often exhibit cat's eye but the phenomenon is very rarely observed on rough specimens.
Once the presence of tubes is confirmed by the stone cutter, the crystal has to be cut and faceted in an optimal way to coax out the cat's eye effect.

Regards

Gérard
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Fiebre Verde




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PostPosted: Apr 29, 2017 13:12    Post subject: Re: Collection of Fiebre Verde  

Philippe Durand wrote:
this is a great specimen !
congratulations, bravo !

Merci Philippe!
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franjungle




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PostPosted: Apr 29, 2017 15:35    Post subject: Re: Collection of Fiebre Verde  

Thanks very much for your complete reasons Gérard. I understood.

Ok please, as you say, don´t use invasive therapies for such a demonstration.

Also you have already answered to the following question. This effect determine the work of the crystals cutter.

And fine pictures.
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Fiebre Verde




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PostPosted: Apr 29, 2017 15:46    Post subject: Re: Collection of Fiebre Verde  

franjungle wrote:


And fine pictures.

Thank you Firmo!
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Fiebre Verde




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PostPosted: May 01, 2017 13:43    Post subject: Re: Collection of Fiebre Verde - La Pita (#651)  

Double terminated crystal from the La Pita deposit.
Lustrous dolomite and calcite set in a brecciated matrix with patches of black shale.



IMG_1581nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 40x43x29mm, xl=22mm
 Description:
 Viewed:  3348 Time(s)

IMG_1581nb.JPG



IMG_1600nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite
 Locality:
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 40x43x29mm, xl=22mm
 Description:
 Viewed:  3348 Time(s)

IMG_1600nb.JPG


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Fiebre Verde




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PostPosted: May 02, 2017 16:59    Post subject: Re: Collection of Fiebre Verde - Cunas (#26)  

The Cunas mine and more generally the La Pita district is well known for the vivid grass green color of the beryl crystals produced in that area.
This specimen is a good example of this color but unfortunately grass green is difficult to render properly with digital cameras (Specially when combined with below average photographic skills).



IMG_1646_54nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Muscovite
 Locality:
La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 40x63x47mm, largest xl=14x11mm
 Description:
 Viewed:  3262 Time(s)

IMG_1646_54nb.JPG



IMG_4093_96nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Muscovite
 Locality:
La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 40x63x47mm, largest xl=14x11mm
 Description:
 Viewed:  3258 Time(s)

IMG_4093_96nb.JPG



IMG_4136nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Muscovite
 Locality:
La Pita mining district, Cunas Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 40x63x47mm, largest xl=14x11mm
 Description:
 Viewed:  3255 Time(s)

IMG_4136nb.JPG


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Fiebre Verde




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PostPosted: May 04, 2017 15:03    Post subject: Re: Collection of Fiebre Verde - Muzo (#71)  

Small aggregate with quartz from Muzo.


IMG_0786nb.JPG
 Mineral: Beryl (variety emerald), Quartz
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 33x24x22mm, xls up to 10mm
 Description:
 Viewed:  3165 Time(s)

IMG_0786nb.JPG



IMG_1724nb.JPG
 Mineral: Beryl (variety emerald), Quartz
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 33x24x22mm, xls up to 10mm
 Description:
 Viewed:  3170 Time(s)

IMG_1724nb.JPG


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Fiebre Verde




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PostPosted: May 07, 2017 08:31    Post subject: Re: Collection of Fiebre Verde - Muzo (#504)  

Small floater aggregate from Muzo.
Presence of carbonaceous inclusions in the lower part of the aggregate.

A milestone has been reached today with the 300th emerald specimen posted in this thread.
The journey to the land of the green beryl is not over. Stay tuned :-)



IMG_1784nb.JPG
 Mineral: Beryl (variety emerald)
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 12x16mm
 Description:
 Viewed:  3096 Time(s)

IMG_1784nb.JPG



IMG_1751nb.JPG
 Mineral: Beryl (variety emerald)
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 12x16mm
 Description:
 Viewed:  3098 Time(s)

IMG_1751nb.JPG



IMG_1820nb.JPG
 Mineral: Beryl (variety emerald)
 Locality:
Muzo mining district, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 12x16mm
 Description:
 Viewed:  3099 Time(s)

IMG_1820nb.JPG


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Don Lum




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PostPosted: May 07, 2017 13:05    Post subject: Re: Collection of Fiebre Verde  

Beautiful emerald cluster, Gerard. Congratulations.

Don

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Fiebre Verde




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PostPosted: May 07, 2017 16:40    Post subject: Re: Collection of Fiebre Verde  

Don Lum wrote:
Beautiful emerald cluster, Gerard. Congratulations.

Don

Thank you for your appreciation Don!
Gérard
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Fiebre Verde




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PostPosted: May 09, 2017 14:19    Post subject: Re: Collection of Fiebre Verde - Chivor (#652)  

Typical Chivor grey limestone shale coated with a bed of snowy white aggregate of calcite.
Color zoning is not unusual in Chivor emeralds.



IMG_1856nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x50x33mm, xl=8mm
 Description:
 Viewed:  2923 Time(s)

IMG_1856nb.JPG



IMG_1953nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x50x33mm, xl=8mm
 Description:
 Viewed:  2914 Time(s)

IMG_1953nb.JPG



IMG_1879nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x50x33mm, xl=8mm
 Description:
 Viewed:  2922 Time(s)

IMG_1879nb.JPG



IMG_1889nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x50x33mm, xl=8mm
 Description:
 Viewed:  2919 Time(s)

IMG_1889nb.JPG



IMG_1924nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 59x50x33mm, xl=8mm
 Description:
 Viewed:  2917 Time(s)

IMG_1924nb.JPG


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Pierre Joubert




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PostPosted: May 09, 2017 14:29    Post subject: Re: Collection of Fiebre Verde  

Hi Gérard, I can only imagine the joy of finding something like this:-)
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Fiebre Verde




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PostPosted: May 10, 2017 06:01    Post subject: Re: Collection of Fiebre Verde  

Pierre Joubert wrote:
Hi Gérard, I can only imagine the joy of finding something like this:-)

Hi Pierre,
You are spot on :-)
Difficult to describe the joy of finding such specimens and the surprise of rediscovering them years after.
With over 10-15 years' hindsight, some of my specimens look certainly very different.
Gérard
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Fiebre Verde




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PostPosted: May 14, 2017 14:13    Post subject: Re: Collection of Fiebre Verde - Chivor (#304)  

Usually specimens of this size are broken into several pieces and trimmed but for some reason this one escaped its fate.
Host rock is a laminated limestone shale.



IMG_0752nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 107x95x40mm, xls upto 10mm
 Description:
 Viewed:  2666 Time(s)

IMG_0752nb.JPG



IMG_1991nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 107x95x40mm, xls upto 10mm
 Description:
 Viewed:  2667 Time(s)

IMG_1991nb.JPG



IMG_2005nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 107x95x40mm, xls upto 10mm
 Description:
 Viewed:  2669 Time(s)

IMG_2005nb.JPG



IMG_1969nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 107x95x40mm, xls upto 10mm
 Description:
 Viewed:  2666 Time(s)

IMG_1969nb.JPG



IMG_0785nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Pyrite
 Locality:
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 107x95x40mm, xls upto 10mm
 Description:
 Viewed:  2675 Time(s)

IMG_0785nb.JPG


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Fiebre Verde




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PostPosted: May 18, 2017 15:57    Post subject: Re: Collection of Fiebre Verde - Polveros (#104)  

Due to weaker refracted light, crystals from Polveros usually exhibit less fire and brilliance than their counterparts from La Pita, Cunas, or even Consorcio.

Host rock is black shale.



IMG_2057nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 52x56x46mm, xls=10 & 5mm
 Description:
 Viewed:  2525 Time(s)

IMG_2057nb.JPG



IMG_2094nb.JPG
 Mineral: Beryl (variety emerald), Calcite, Dolomite, Pyrite
 Locality:
La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
 Dimensions: 52x56x46mm, xls=10 & 5mm
 Description:
 Viewed:  2532 Time(s)

IMG_2094nb.JPG


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Fiebre Verde




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PostPosted: May 20, 2017 09:27    Post subject: Re: Collection of Fiebre Verde - Chivor (#202)  

Host rock is black shale.


IMG_2165nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 110x54x20mm, largest xl=30mm
 Description:
 Viewed:  2411 Time(s)

IMG_2165nb.JPG



IMG_2140nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 110x54x20mm, largest xl=30mm
 Description:
 Viewed:  2399 Time(s)

IMG_2140nb.JPG



IMG_2151nb.JPG
 Mineral: Beryl (variety emerald), Albite (variety cleavelandite), Pyrite
 Locality:
Chivor mining district, El Oriente Mine, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
 Dimensions: 110x54x20mm, largest xl=30mm
 Description:
 Viewed:  2406 Time(s)

IMG_2151nb.JPG


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