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Augite

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SPH187183

Augite

Description Tabs

Description
Locality: 
Chitrāl, Chitrāl District, Khyber Pakhtunkhwa Province, Pakistan
Size Range: 
Thumbnail (1-3cm)
Size: 
0.7 × 2.1 × 1.2 cm
Description

This single crystal of augite appears almost like a cut gemstone and has the unique appearance on an “eye”. While black at first sight, it reveals a fantastic green coloring at proper illumination. The crystal is perfect and lovely indeed!

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
Saphira Minerals