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Turquoise
Turquoise

Alunite
Alunite



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Turquoise
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Alunite

Turquoise and Alunite Physical Properties

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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
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Turquoise and Alunite Chemical Formula

While comparing Turquoise and Alunite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Turquoise and Alunite chemical formula.

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Turquoise and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise Vs Alunite during the identification of gemstone. Specific gravity of Turquoise is whereas that of Alunite is .