Burtite

burtite

wickmanite

stokesite

lollingite

Images

Formula: CaSn4+(OH)6
Hydroxide, schoenfliesite group
Specific gravity: 3.28
Hardness: 3
Streak: White
Colour: Colourless, pale yellow
Environments

Metamorphic environments

Localities

At the type locality, Wadi Beht, Oulmès Cercle, Khémisset Province, Rabat-Salé-Kénitra Region, Morocco, burtite occurs in a high grade metamorphic rock composed of more than 75% by volume of garnet in a tin skarn. Associated minerals include wickmanite, stokesite, datolite, pectolite, a member of the apophyllite group, varlamoffite, andradite, wollastonite, malayaite, clinopyroxene and löllingite (AM 67.854).

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