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Penroseite & Krut'aite

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Penroseite & Krut'aite

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Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.4 × 1.2 cm
Description

Nice and very rich specimen of two rare Se minerals from Pyrite group - Penroseite & Krutaite as mixed massive fragment of vein from classic and famous from selenium minerals locality. Analyzed!

Mineral Data
What's on the rock

Penroseite

Formula: 
(Ni,Co,Cu)Se2
Strunz: 
2.EB.05a
Hardness: 
2.5 - 3.0
Type Locality: 
Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia

Krut'aite

Formula: 
CuSe2
Strunz: 
2.EB.05a
Hardness: 
4.0
Type Locality: 
Petrovice, Nové Město na Moravě, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic

Seller Information

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