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Ruby and Boracite Physical Properties


Boracite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.95-2.96   

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

Cleavage
No true cleavage   
None   

Mohs Hardness
9   
7-7.5   

Chemical Composition
Al 2 O 3   
Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Ruby and Boracite Chemical Formula

While comparing Ruby and Boracite 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 Boracite chemical formula.

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Ruby and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Boracite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.95-2.96 whereas that of Boracite is 2.95-2.96.

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