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Ruby and Anorthite Physical Properties


Anorthite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.77   

Fracture
Conchoidal   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
No true cleavage   
Perfect [001] good [010] poor [110]   

Mohs Hardness
9   
6-6.5   

Chemical Composition
Al 2 O 3   
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Ruby and Anorthite Chemical Formula

While comparing Ruby and Anorthite 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 Anorthite chemical formula.

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Ruby and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.77 whereas that of Anorthite is 2.77.

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