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Rock Crystal and Rubellite Physical Properties


Rubellite and Rock Crystal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
3.01-3.06   

Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
7   
7-7.5   

Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)   
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.   

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Rock Crystal and Rubellite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Rubellite chemical formula.

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Rock Crystal and Rubellite Specific Gravity

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

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