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Augite

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PDM707089

Augite

Classic Locality

Description Tabs

Description
Locality: 
(Bohemia), Czech Republic
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.1 × 1.7 cm
Description

Black undamaged crystals of augite from Bohemia, with sizes ranging from 13to 26 mm. Old specimens that retais an old label.

Ex. collection of University of Liege (ULB), Belgium. The number 12127, corresponding to the ULB archive, was handwritten in blue by Professor Dr. Joseph Mélon (Mélonjosephite).

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

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