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Kainite and Black Opal Physical Properties


Black Opal and Kainite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.15   
1.97-2.22   

Fracture
Splintery, Conchoidal, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{001}, perfect   
Not Available   

Mohs Hardness
2.5-3   
6-6.5   

Chemical Composition
Not Available   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Kainite and Black Opal Chemical Formula

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

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Kainite and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kainite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kainite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Kainite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.

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