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Augite Var Fassaite

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SHS87769

Augite Var Fassaite

Description Tabs

Description
Locality: 
Tazheranskii Massif, Lake Baikal, Irkutsk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.3 × 2.8 cm
Description

Fassaite crystals on matrix

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

Fassaite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Hardness: 
0.0