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Swiss blue topaz
Swiss blue topaz

Black Opal
Black Opal



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Swiss blue topaz
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Black Opal

Swiss blue topaz and Black Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available1.97-2.22
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
Not Available6-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2 + H 2OUlrich Henn and Claudio C.

Swiss blue topaz and Black Opal Chemical Formula

While comparing Swiss blue topaz 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 Swiss blue topaz and Black Opal chemical formula.

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

Swiss blue topaz and Black Opal Specific Gravity

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