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Fayalite and Star Ruby Physical Properties


Star Ruby and Fayalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.392   
3.95-4.10   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
{010} moderate, {100} imperfect   
Not Available   

Mohs Hardness
6.5-7   
Not Available   

Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Fayalite and Star Ruby Chemical Formula

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

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Fayalite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.

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Yellow Gemstones


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