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Black Opal
Black Opal

Riesling Beryl
Riesling Beryl



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Black Opal
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Riesling Beryl

Black Opal and Riesling Beryl 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
1.97-2.22
2.66-2.86
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6-6.5
7.5-8
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Al 2Be 3Si 6O 18Martin H.

Black Opal and Riesling Beryl Chemical Formula

While comparing Black Opal and Riesling Beryl 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 Riesling Beryl chemical formula.

  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

Black Opal and Riesling Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Riesling Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Riesling Beryl Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 2.66-2.86 whereas that of Riesling Beryl is 2.66-2.86.