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Moissanite
Moissanite

Mellite
Mellite



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Moissanite
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Mellite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.17-3.24
Conchoidal
(0001) indistinct
9-9.5
SiCArthur Thomas , Gemstones (2009)
 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.