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Black Opal and Diopside Physical Properties


Diopside and Black Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.97-2.22   
3.22-3.40   

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

Cleavage
Not Available   
Distinct/good on {110}   

Mohs Hardness
6-6.5   
5-6   

Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.   
CaMgSi2O6   

Optical Properties >>
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Black Opal and Diopside Chemical Formula

While comparing Black Opal and Diopside 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 Black Opal and Diopside chemical formula.

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Black Opal and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Diopside Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.22-3.40 whereas that of Diopside is 3.22-3.40.

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