Selenite and Milk Opal Physical Properties

Selenite and Milk Opal Chemical Formula

While comparing Selenite and Milk 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 Selenite and Milk Opal chemical formula.

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Selenite and Milk Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Selenite and Milk Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Selenite and Milk Opal Optical Properties during the identification of gemstone. Specific gravity of Selenite is 1.98-2.50 whereas that of Milk Opal is 1.98-2.50.