Opal Australia and Star Sapphire Physical Properties

Opal Australia and Star Sapphire Chemical Formula

While comparing Opal Australia and Star Sapphire 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 Opal Australia and Star Sapphire chemical formula.

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• Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Opal Australia and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Australia and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Australia and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Opal Australia is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.