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Augite

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SYM200252

Augite

Description Tabs

Description
Locality: 
Bail Hill, Sanquhar, Dumfries & Galloway, Scotland, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3.5 cm
Description

Black crystals of augite in agglomerate.

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