Precious Opal and Purpurite Physical Properties

Precious Opal and Purpurite Chemical Formula

While comparing Precious Opal and Purpurite 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 Precious Opal and Purpurite chemical formula.

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Precious Opal and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal Vs Purpurite during the identification of gemstone. Specific gravity of Precious Opal is whereas that of Purpurite is .