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Anorthite Var Bytownite

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ESM531917

Anorthite Var Bytownite

Description Tabs

Description
Locality: 
Lakeview, Lake County, Oregon, United States of America
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 2 × 1 cm
Description

Champagne colored translucent crystal of this feldspar variety

 

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

Bytownite

Variety Of: 

Anorthite

Formula: 
CaAl2Si2O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Formula: 
(Ca,Na)[Al(Al,Si)Si2O8]
Strunz: 
9.FA.35
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
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