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Vivianite and Turquoise Physical Properties


Turquoise and Vivianite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.70   
2.30-2.90   

Fracture
(e.g. graphite).   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
{010} Perfect   
Good to perfect_usually N/A   

Mohs Hardness
Not Available   
5-6   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
CuAl6(PO4)4(OH)8 • 4H2O   

Optical Properties >>
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Vivianite and Turquoise Chemical Formula

While comparing Vivianite 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 Vivianite and Turquoise chemical formula.

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Vivianite and Turquoise Specific Gravity

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

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