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Franckeite & Zinkenite

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ESM659039

Franckeite & Zinkenite

Description Tabs

Description
Locality: 
Itos Mine, Oruro City, Oruro Department, Bolivia
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.3 cm
Description

Clusters of silvery franckeite blades with metallic zinkenite needles

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

Zinkenite

Formula: 
Pb9Sb22S42
Strunz: 
2.JB.35a
Crystal System: 
Hexagonal
Hardness: 
3.0 - 3.5
Type Locality: 
Graf Jost-Christian Mine, Wolfsberg, Stolberg, Harz, Saxony-Anhalt, Germany