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Black Opal and Diamond Physical Properties


Diamond and Black Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
1.97-2.22   
3.50-3.53   

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

Cleavage
Not Available   
111 (perfect in four directions)   

Mohs Hardness
6-6.5   
10   

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

Optical Properties >>
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Black Opal and Diamond Chemical Formula

While comparing Black Opal and Diamond 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 Diamond chemical formula.

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Black Opal and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Diamond Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.50-3.53 whereas that of Diamond is 3.50-3.53.

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