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Turquoise
Turquoise

Ajoite
Ajoite



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Turquoise
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Ajoite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.30-2.90
Conchoidal
Good to perfect_usually N/A
5-6
CuAl6(PO4)4(OH)8 • 4H2O
 
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Decomposed by acids
-
2.96
-
Perfect on {010}
5
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)