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Star Ruby and Foitite Physical Properties


Foitite and Star Ruby Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.10   
3.17   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Handbook of mineralogy (2001)   

Cleavage
Not Available   
None   

Mohs Hardness
Not Available   
7   

Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)   
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Star Ruby and Foitite Chemical Formula

While comparing Star Ruby and Foitite 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 Star Ruby and Foitite chemical formula.

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Star Ruby and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Foitite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.17 whereas that of Foitite is 3.17.

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