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Eldragónite & Quijarroite

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CR682813

Eldragónite & Quijarroite

with Dr. Günter Grundmann expertise #17
Analysed

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.4 × 1 cm
Description

This is a very well analysed and documented section from El Dragon Mine. Analytic and documentation was done by Dr. Günter Grundmann who studied and published many of the extremely rare minerals from El Dragon Mine.

This section contains Eldragonite, Quijarroite, Hansblockite and minor Petrovicite and Gold. Everything can be found in the attached and printed documentation.

Only 18 section from Günter Grundmann were available - most of them  went to University collection. I´m proud to offer 4 of them in this and the following auctions.

Mineral Data
What's on the rock

Eldragónite

Formula: 
Cu6BiSe4(Se2)
Hardness: 
3.5
Colour: 
Brownish to light-maroon
Type Locality: 
El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia

Quijarroite

Formula: 
Cu6HgPb2Bi4Se12
Crystal System: 
Orthorhombic
Colour: 
Black metallic
Type Locality: 
El Dragón mine, Antonio Quijarro Province, Potosí, Bolivia