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Bustamite and Pearl Physical Properties


Pearl and Bustamite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Partly soluble in HCl.   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.32-3.43   
2.60-2.85   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)   

Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor   
none   

Mohs Hardness
5.5-6   
2.5-4.5   

Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Bustamite and Pearl Chemical Formula

While comparing Bustamite and Pearl 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 Bustamite and Pearl chemical formula.

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Bustamite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.

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