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Angelite
Angelite
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Painite
Painite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
3.5
CaSO4·2H2O
 
-
-
-
4.00-4.03
Conchoidal
Distinct
7.5-8
CaZrBAl 9O 18Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references