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Augite

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CR14660

Augite

Description Tabs

Description
Locality: 
Diana, Lewis County, New York, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.7 × 6 × 2.1 cm
Description

This specimen was collected before 1900 ! and comes with two beautiful old labels.

Black green and well terminated augite crystals. Nice !

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