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Moldavite and Rubellite Physical Properties


Rubellite and Moldavite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.32-2.38   
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
5.5   
7-7.5   

Chemical Composition
SiO 2(+Al 2O 3)Walter 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.   

Optical Properties >>
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Moldavite and Rubellite Chemical Formula

While comparing Moldavite 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 Moldavite and Rubellite chemical formula.

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Moldavite and Rubellite Specific Gravity

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

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