Shigaite and Prase Opal Physical Properties

Shigaite and Prase Opal Chemical Formula

While comparing Shigaite and Prase 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 Shigaite and Prase Opal chemical formula.

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

Shigaite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.