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Ruby and Augelite Physical Properties


Augelite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.70-2.75   

Fracture
Conchoidal   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
No true cleavage   
From the Greek for luster, for its pearly luster on the cleavage.   

Mohs Hardness
9   
4.5-5   

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

Optical Properties >>
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Ruby and Augelite Chemical Formula

While comparing Ruby and Augelite 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 Ruby and Augelite chemical formula.

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Ruby and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Augelite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.70-2.75 whereas that of Augelite is 2.70-2.75.

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