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Bustamite and Star Ruby Physical Properties


Star Ruby 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   
3.95-4.10   

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

Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor   
Not Available   

Mohs Hardness
5.5-6   
Not Available   

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

Optical Properties >>
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Bustamite and Star Ruby Chemical Formula

While comparing Bustamite and Star Ruby 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 Star Ruby chemical formula.

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Bustamite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.

Red Gemstones

Red Gemstones


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