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Turquoise and Andradite Physical Properties


Andradite and Turquoise Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.30-2.90   
3.70-4.10   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Good to perfect_usually N/A   
none   

Mohs Hardness
5-6   
6.5-7   

Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Turquoise and Andradite Chemical Formula

While comparing Turquoise and Andradite 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 Andradite chemical formula.

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Turquoise and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Andradite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.70-4.10 whereas that of Andradite is 3.70-4.10.

Semi Precious

Semi Precious


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