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Zincite
Zincite
☒

White topaz
White topaz
☒



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Zincite
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White topaz
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.50-5.90
Conchoidal
On {10 1 0}, perfect; parting on {000 1 }
4
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,OH)2