Andean Opal and Sapphire Physical Properties

Andean Opal and Sapphire Chemical Formula

While comparing Andean Opal and 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 Andean Opal and Sapphire chemical formula.

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• Chemical formula of Sapphire- Al ₂ O ₃

Andean Opal and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andean Opal and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andean Opal and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Andean Opal is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.