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Kurnakovite
Kurnakovite

Black Opal
Black Opal



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Kurnakovite
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Black Opal

Kurnakovite and Black Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.847-1.8521.97-2.22
Amber
1 7.18
1.5 Fracture
Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Poor to indistinct on {010}
Not Available
1.7 Mohs Hardness
2-36-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2 + H 2OUlrich Henn and Claudio C.

Kurnakovite and Black Opal Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Black Opal chemical formula.

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  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Kurnakovite and Black Opal Specific Gravity

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