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Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

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Multiple photos availableBeryl (Var: Emerald) : Be3(Al,Cr)2Si6O18

Matacana Mine, Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

Even with its small size, the specimen is exceptional due the perfect preservation of the fossil. We must consider that fossilization by Emerald, recently introduced, is quite extraordinary.
Matecaña, El Diamante, Gachalá, Cundinamarca, Colombia.
Found in 03/2006
Specimen size: 1.4 x 1.3 x 0.8 cm


Mindat.org Photo of the Day - 29th Dec 2006
 © fabreminerals.comPhoto ID: 75320    View Count: 1347

Beryl (Var: Emerald) : Be3(Al,Cr)2Si6O18

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

Fossilization on emerald, in this case a Gastropod, is very, very, rare. On the surface of he fossil, with the recrystallization of emerald there are also small but easily distinguishable crystals of Pyrite.
Matecaña, El Diamante, Gachalá, Cundinamarca, Colombia.
Found in 03/2006
Specimen size: 1.3 x 1.1 x 0.9 cm
 © fabreminerals.comPhoto ID: 88848    View Count: 260

Beryl (Var: Emerald) : Be3(Al,Cr)2Si6O18

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

One of the rarest types of emeralds, a TRAPICHE EMERALD.
A TRAPICHE is the result of the growth of an Emerald Crystal within another mineral (the other mineral is not identified). They are characteristically hexagonal.
Sample is about 3 mm across and 5 mm in length.

Alex Knoll Collection
Georgian Court University Rock and Mineral ...
Photo ID: 164285    View Count: 176

Beryl (Var: Emerald) : Be3(Al,Cr)2Si6O18

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

Extraña macla de Gachalá. Tamaño total: 6 x 5 cm
 © Daniel S. YunisPhoto ID: 219563    View Count: 45

Euclase : BeAl[OH|SiO4]

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

2.1 x 1.3 x 0.7 cm. An absolutely flawless, perfect, gem euclase crystal. It has glassy lustre and is more intensely transparent and bright, in person. This mine sets the standard for euclase and the recent finds here (from about 2004 until recently) have provided many more specimens than in the past it is true - but few of this caliber. This ...
 © Rob Lavinsky Photo ID: 197435    View Count: 109

Euclase : BeAl[OH|SiO4]

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

1.5 x 0.9 x 0.5 cm (largest). A superb 2-piece set of two, light grass-green with hints of blue, gem euclase crystals from Gachala, Colombia and the Irv Brown Collection. The crystals have glassy lustre, sharp terminations and are more intensely transparent and bright, in person. 5.75 carats.
 © Rob LavinskyPhoto ID: 213092    View Count: 45

Euclase : BeAl[OH|SiO4]

Gachalá, Guavió-Guatéque Mining District, Boyacá Department, Colombia

A beautiful single terminated glassy slightly translucent blue euclase crystal, the lower back side hosting several bright lustrous pyrite crystals. Measures 2.5 x 1.5 x 1.2 cm in size overall.
 © Dan & Diana Weinrich MineralsPhoto ID: 246249    View Count: 22
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