Ammolite and Black Opal Physical Properties

Ammolite and Black Opal Chemical Formula

While comparing Ammolite 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 Ammolite and Black Opal chemical formula.

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

Ammolite and Black Opal Specific Gravity

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