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Mineralpedia Details for Banalsite

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Banalsite

Banalsite

Formula
Na2BaAl4Si4O16 
Crystal System
Orthorhombic 
Cleavage
Good, Good, None 
Luster
Vitreous - Pearly 
Color
white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Hardness
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Banalsite from Benallt mine, Lleyn Peninsula, Gwynedd, Wales

Banalsite
            from Benallt mine, Lleyn Peninsula, Gwynedd, Wales
Special Info
Fluorescent,Type Locality

Banalsite is a rather rare barium feldspar. This is type locality and is a brown compact fine crystalline specimen. It glows bright red under UV light.

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