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Humboldtine

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CAM100652

Humboldtine

Description Tabs

Description
Locality: 
Lomnice, Sokolov, Karlovy Vary Region, Czech Republic
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 0.6 cm
Description

A rich coverage of yellow crystals and aggregates of humboldtine, an uncommon ferro-oxalate, on brown-coal.

Mineral Data
What's on the rock

Humboldtine

Formula: 
Fe2+(C2O4)·2H2O
Strunz: 
10.AB.05
Crystal System: 
Orthorhombic
Hardness: 
1.5 - 2.0
Type Locality: 
Korozluky (Kolosoruk), Most, Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
Cartils Minerals

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