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Bustamite and Dioptase Physical Properties


Dioptase and Bustamite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Partly soluble in HCl.   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.32-3.43   
3.25-3.35   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor   
Perfect in three directions   

Mohs Hardness
5.5-6   
5   

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

Optical Properties >>
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Bustamite and Dioptase Chemical Formula

While comparing Bustamite and Dioptase 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 Dioptase chemical formula.

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Bustamite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.

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