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Cosalite

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SER991752

Cosalite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Kara Oba, Karaganda Oblast, Kazakhstan
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 2.1 × 2.1 cm
Description

some grey needles of cosalite with black metallic wolframite

Mineral Data
What's on the rock

Cosalite

Formula: 
Pb2Bi2S5
Strunz: 
2.JB.10
Hardness: 
2.5 - 3.0
Colour: 
Grey
Streak: 
Black
Type Locality: 
Cosalá Mine, Cosalá, Mun. de Cosalá, Sinaloa, Mexico