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Elaeolite
Elaeolite

Sapphirine
Sapphirine



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Elaeolite
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Sapphirine
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.67
-
-
5.5-6
Na, K, Ca, H, O, Si, Al
 
-
-
-
3.40-3.58
Conchoidal, Uneven
{010} Perfect
7.5
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references