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Cylindrite & Incaite

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MNR621529

Cylindrite & Incaite

Type Locality

Description Tabs

Description
Locality: 
Santa Cruz Mine, Poopó, Poopó Province, Oruro Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.1 × 2 cm
Description

Metallic cylindrite crystals with incaite in matrix.

Mineral Data
What's on the rock

Cylindrite

Formula: 
Pb3Sn4FeSb2S14
Strunz: 
2.HF.25a
Crystal System: 
Triclinic
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Santa Cruz Mine, Poopó town, Poopó Province, Oruro Department, Bolivia

Incaite

Variety Of: 

Franckeite

Formula: 
Fe2+(Pb,Sn2+)6Sn4+2Sb2S14
Strunz: 
2.HF.25b
Hardness: 
2.5 - 3.0
Formula: 
(Pb,Ag)4Sn4FeSb2S15
Strunz: 
2.HF.25b
Hardness: 
2.0