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Franckeite

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JYJ218209

Franckeite

Description Tabs

Description
Locality: 
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.6 × 2.5 cm
Description

This specimen hosts franckeite in good spear-like crystals all around.

Mineral Data
What's on the rock

Franckeite

Formula: 
Fe2+(Pb,Sn2+)6Sn4+2Sb2S14
Strunz: 
2.HF.25b
Hardness: 
2.5 - 3.0
Type Locality: 
Chocaya mine, Chocaya-Animas (Animas-Chocaya), Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia