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Mellite

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MGR210647

Mellite

Description Tabs

Description
Locality: 
Csordakhut, Tatabánya, Gerecse Mountains, Komárom-Esztergom County, Hungary
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4.1 × 3.2 cm
Description

Mellite is actually an organic compound, a bizarre species indeed. It is an Aluminium mellitate (benzene hexacarboxylate) hydrate, a rare secondary mineral in lignite deposits. This specimen is much above average concerning quality and size. Especially the crystals luster and termination is excellent.

Mineral Data
What's on the rock

Mellite

Formula: 
Al2[C6(COO)6]·16H2O
Strunz: 
10.AC.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Artern, Unstrut valley, Thuringia, Germany