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Augelite and Star Ruby Physical Properties


Star Ruby and Augelite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.70-2.75   
3.95-4.10   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
From the Greek for luster, for its pearly luster on the cleavage.   
Not Available   

Mohs Hardness
4.5-5   
Not Available   

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

Optical Properties >>
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Augelite and Star Ruby Chemical Formula

While comparing Augelite 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 Augelite and Star Ruby chemical formula.

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Augelite and Star Ruby Specific Gravity

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

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