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Microcline
Microcline
☒

Color change sapphire
Color change sapphire
☒



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Microcline
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Color change sapphire
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.63
Uneven
{001} Perfect, {010} Good
6-6.5
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
 
-
-
-
-9999
-
None
-9999
Al2O3