Mexican fire opal and Crystal Opal Physical Properties

Mexican fire opal and Crystal Opal Chemical Formula

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

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• Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Mexican fire opal and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Crystal 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 Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.