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Sapphire and Charoite Physical Properties


Charoite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
2.54-2.78   

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

Cleavage
None, but may exhibit parting   
Good in three directions   

Mohs Hardness
9   
5-6   

Chemical Composition
Al 2 O 3   
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sapphire and Charoite Chemical Formula

While comparing Sapphire and Charoite 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 Sapphire and Charoite chemical formula.

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Sapphire and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Charoite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.54-2.78 whereas that of Charoite is 2.54-2.78.

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