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Bieberite Native Bismuth & Chrysocolla

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CLB126201

Bieberite Native Bismuth & Chrysocolla

ex coll. E. Koch
Rare Mineral

Description Tabs

Description
Locality: 
Schlema, Saxony, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.7 × 1.5 cm
Description

A nice, massive bismuth specimen with bronce colored, rounded crystals, some pink bieberite and (most probably) green chrysocolla.

Mineral Data
What's on the rock

Bieberite

Formula: 
CoSO4·7H2O
Strunz: 
7.CB.35
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
"Im Lochborn" Copper mine, Bieber, Gelnhausen, Spessart, Hesse, Germany...

Bismuth

Formula: 
Bi
Strunz: 
1.CA.05
Crystal System: 
Hexagonal
Hardness: 
2.0 - 2.5
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

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