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Boracite and Sard Physical Properties


Sard and Boracite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.95-2.96   
2.58-2.63   

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

Cleavage
None   
Not Available   

Mohs Hardness
7-7.5   
6.5-7   

Chemical Composition
Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Boracite and Sard Chemical Formula

While comparing Boracite and Sard 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 Boracite and Sard chemical formula.

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Boracite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Sard Optical Properties during the identification of gemstone. Specific gravity of Boracite is 2.58-2.63 whereas that of Sard is 2.58-2.63.

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