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Padparadscha
Padparadscha

Black Opal
Black Opal



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Padparadscha
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Black Opal

Padparadscha 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
3.95-4.101.97-2.22
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
96-6.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
SiO 2 + H 2OUlrich Henn and Claudio C.

Padparadscha and Black Opal Chemical Formula

While comparing Padparadscha 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 Padparadscha and Black Opal chemical formula.

  • Chemical formula of Padparadscha- Al 2O 3Ulrich Henn and Claudio C.
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Padparadscha and Black Opal Specific Gravity

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