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Turquoise
Turquoise

Riebeckite
Riebeckite



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Turquoise
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Riebeckite

Turquoise and Riebeckite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.903.28-3.44
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Splintery, Brittle
1.6 Cleavage
Good to perfect_usually N/A
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
1.7 Mohs Hardness
5-65.0-6.0
Amber
2 10
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Not Available

Turquoise and Riebeckite Chemical Formula

While comparing Turquoise and Riebeckite 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 Riebeckite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
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Turquoise and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.