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Augite

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ESM524571

Augite

Description Tabs

Description
Locality: 
Buffaure Group, Trento Province, Trentino-Alto Adige, Italy
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.1 × 0.3 cm
Description

Single black augite crystal

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