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Sardonyx and Variscite Physical Properties


Variscite and Sardonyx Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
2.42-2.58   

Fracture
Not Available   
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
Not Available   
[010] perfect   

Mohs Hardness
6.5-7   
4-5   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
AlPO4 · 2(H2O)   

Optical Properties >>
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Sardonyx and Variscite Chemical Formula

While comparing Sardonyx and Variscite 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 Sardonyx and Variscite chemical formula.

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Sardonyx and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Variscite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.42-2.58 whereas that of Variscite is 2.42-2.58.

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