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Sanidine
Sanidine
☒

Tortoiseshell
Tortoiseshell
☒



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Sanidine
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.54-2.61
Uneven
{001} Perfect, {010} Good
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
1.25-1.35
-
None
-9999
-

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