Mexican fire opal and Milk Opal Physical Properties

Mexican fire opal and Milk Opal Chemical Formula

While comparing Mexican fire opal 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 Mexican fire opal and Milk Opal chemical formula.

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Mexican fire opal and Milk Opal Specific Gravity

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