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Augite With Quartz Psm

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QBM1016109

Augite With Quartz Psm

Pseudomorph

Description Tabs

Description
Locality: 
Zec Bras-Coupé-Désert, Montcerf-Lytton, Outaouais, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 4.8 × 5.1 cm
Description

A superb specimen of augite crystals from Zec Bras-Coupe-Desert, Outaouais, Quebec, Canada. It displays sharp prismatic, hexagonal augite crystals to 33mm growing in a cluster. They are black and the luster is strong. Some areas have been pseudomorphed by quartz. Some contacts.

Excellent!

Shipping weight up to 0.500 kg

#20428

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White