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Brandtite

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ESM613635

Brandtite

Description Tabs

Description
Locality: 
Sailauf, Lower Franconia, Bavaria, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 3 × 2 cm
Description

Cluster of brown brandtite crystals

Mineral Data
What's on the rock

Brandtite

Formula: 
Ca2(Mn2+,Mg)(AsO4)2·2H2O
Strunz: 
8.CG.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden