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Poldervaartite and Bustamite Physical Properties


Bustamite and Poldervaartite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partly soluble in HCl.   

Durability
Not Available   
Not Available   

Specific Gravity
2.91   
3.32-3.43   

Fracture
Handbook of mineralogy (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

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

Mohs Hardness
Not Available   
5.5-6   

Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)   
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Poldervaartite and Bustamite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Bustamite chemical formula.

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Poldervaartite and Bustamite Specific Gravity

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

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