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Anorthite

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SHS42847

Anorthite

Description Tabs

Description
Locality: 
Grass Valley, Nevada County, California, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 5 × 4.2 cm
Description

Anorthite in matrix

Mineral Data
What's on the rock

Anorthite

Formula: 
CaAl2Si2O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy