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Augite

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SHS35207

Augite

ex. Collection Dr. Winfried Böhmer (Wunstorf/Germany)

Description Tabs

Description
Locality: 
Bořislav, Teplice, Ústí nad Labem Region, Czech Republic
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1 × 0.7 cm
Largest Crystal: 
1.20cm
Description

3 black augite crystals, Dr Krantz (Bonn/Germany) label.

Mineral Data
What's on the rock

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0