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Guanajuatite

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ESM515857

Guanajuatite

Rare Mineral

Description Tabs

Description
Locality: 
Santa Catarina Mine, Rancho Calvillo, Santa Rosa, Guanajuato Municipality, Guanajuato, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
0.4 × 1.1 × 0.3 cm
Description

Black needles of guanajuatite on matrix

Mineral Data
What's on the rock

Guanajuatite

Formula: 
Bi2Se3
Strunz: 
2.DB.05
Hardness: 
2.5 - 3.0
Type Locality: 
Santa Catarina Mine, Rancho Calvillo, Santa Rosa, Sierra de Santa Rosa, Mun. de Guanajuato, Guanajuato, Mexico