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Boracite and Coral Physical Properties


Coral 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   
2.60-2.70   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Irregular, Irregular, Gemstones of the world (2001)   

Cleavage
None   
Not Available   

Mohs Hardness
7-7.5   
3-4   

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

Optical Properties >>
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Boracite and Coral Chemical Formula

While comparing Boracite and Coral 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 Coral chemical formula.

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Boracite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Coral Optical Properties during the identification of gemstone. Specific gravity of Boracite is 2.60-2.70 whereas that of Coral is 2.60-2.70.

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Yellow Gemstones


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