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Starlite
Starlite
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Beryl
Beryl
☒



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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.91-4.73
Conchoidal
None
6.5-7.5
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
2.60-2.90
Uneven, Conchoidal, Irregular
Imperfect on {0001}
7.5-8
Be3Al2Si6O18