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Cronstedtite

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SMM600173

Cronstedtite

Description Tabs

Description
Locality: 
Salsigne Mine, Salsigne, Aude, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2.5 cm
Largest Crystal: 
0.30cm
Description

A nice, 3 mm, shiny, black crystal of crontedtite on matrix.

Boxed with Label
Mineral Data
What's on the rock

Cronstedtite

Formula: 
Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4
Strunz: 
9.ED.15
Crystal System: 
Monoclinic, Trigonal, Hexagonal
Hardness: 
3.5
Type Locality: 
Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

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