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Mineralpedia Details for Brannockite

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Brannockite

Brannockite

Formula
KSn2(Li3Si12)O30 
Crystal System
Hexagonal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
5-6 
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