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Bytownite

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Watches:
MNR754253

Bytownite

ex. Rudolf Ďuďa collection

Description Tabs

Description
Locality: 
Eycott Hill, Patterdale, Cumbria, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 1.2 cm
Description

Grey-green nests of Bytownite in basalt.

ex. Rudolf Ďuďa collection

Mineral Data
What's on the rock

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