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Variscite and Rubellite Physical Properties


Rubellite and Variscite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.42-2.58   
3.01-3.06   

Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
[010] perfect   
Not Available   

Mohs Hardness
4-5   
7-7.5   

Chemical Composition
AlPO4 · 2(H2O)   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
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Variscite and Rubellite Chemical Formula

While comparing Variscite and Rubellite 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 Variscite and Rubellite chemical formula.

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Variscite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.

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