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Humboldtine

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CSL500700

Humboldtine

Rare Mineral

Description Tabs

Description
Locality: 
Csordakúti Mine, Bicske-Csordakút, Bicske-Zsámbéki Basin, Fejér County, Hungary
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.6 × 0.1 cm
Description

Humboldtine is an iron-oxalate species, it forms yellow rosettes on gypsum matrix. Very rare crystallized sample.

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

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