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Sunstone and Black Opal Physical Properties


Black Opal and Sunstone Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.62-2.65   
1.97-2.22   

Fracture
Gemstones of the world (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
001   
Not Available   

Mohs Hardness
6   
6-6.5   

Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Sunstone and Black Opal Chemical Formula

While comparing Sunstone 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 Sunstone and Black Opal chemical formula.

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Sunstone and Black Opal Specific Gravity

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

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