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Star Ruby and Cordierite Iolite Physical Properties


Cordierite Iolite 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   
2.56-2.66   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
Not Available   
7-7.5   

Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)   
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   

Optical Properties >>
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Star Ruby and Cordierite Iolite Chemical Formula

While comparing Star Ruby and Cordierite Iolite 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 Cordierite Iolite chemical formula.

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Star Ruby and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.

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