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Cryolite
Cryolite

Schorlomite
Schorlomite



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Cryolite
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Schorlomite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.97
Uneven
None observed
2.5
Na 3AlF 6Ulrich Henn and Claudio C.
 
-
-
-
3.77-3.93
Conchoidal
None
7-7.5
Ca 3Ti4+2(Fe3+2Si)O 12Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references