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Austinite
Austinite

Turquoise
Turquoise



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Austinite
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Turquoise

Austinite and Turquoise Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Easily soluble in cold dilute HCl
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.12
2.30-2.90
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
Good to perfect_usually N/A
1.7 Mohs Hardness
4-4.5
5-6
1.8 Chemical Composition
CaZn(AsO4)(OH)
CuAl6(PO4)4(OH)8 • 4H2O

Austinite and Turquoise Chemical Formula

While comparing Austinite and Turquoise 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 Austinite and Turquoise chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O

Austinite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.