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Turquoise
Turquoise

Poudretteite
Poudretteite



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Turquoise
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Poudretteite

Turquoise and Poudretteite Physical Properties

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
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Turquoise and Poudretteite Chemical Formula

While comparing Turquoise and Poudretteite 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 Poudretteite chemical formula.

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Turquoise and Poudretteite Specific Gravity

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