Hessonite Garnet and Black Opal Physical Properties

Hessonite Garnet and Black Opal Chemical Formula

While comparing Hessonite Garnet 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 Hessonite Garnet and Black Opal chemical formula.

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

Hessonite Garnet and Black Opal Specific Gravity

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