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Chrysoberyl and Bustamite Physical Properties


Bustamite and Chrysoberyl Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Partly soluble in HCl.   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
3.32-3.43   

Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}   
{100} perfect; {110} and {1 1 0} good; {010} poor   

Mohs Hardness
8.5   
5.5-6   

Chemical Composition
BeAl 2 O 4   
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Chrysoberyl and Bustamite Chemical Formula

While comparing Chrysoberyl and Bustamite 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 Chrysoberyl and Bustamite chemical formula.

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Chrysoberyl and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.

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Green Gemstones


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