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Cronstedtite

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CSL129516

Cronstedtite

Rare Mineral

Description Tabs

Description
Locality: 
Kutná Hora, Central Bohemian Region, Czech Republic
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.1 × 3.2 × 1.8 cm
Description

Good cronstedtite crystals on quartz matrix, in association with brown siderite and pyrite-sphalerite ore.

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
Loranth Minerals

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