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Bronzite
Bronzite

Black Opal
Black Opal



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Bronzite
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Black Opal

Bronzite 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
3.351.97-2.22
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
5.56-6.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
SiO 2 + H 2OUlrich Henn and Claudio C.

Bronzite and Black Opal Chemical Formula

While comparing Bronzite 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 Bronzite and Black Opal chemical formula.

  • Chemical formula of Bronzite- (Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Bronzite and Black Opal Specific Gravity

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