Vishnevite and Prase Physical Properties

Vishnevite and Prase Chemical Formula

While comparing Vishnevite and Prase 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 Vishnevite and Prase chemical formula.

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• Chemical formula of Prase- SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Vishnevite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Prase Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.64-2.69 whereas that of Prase is 2.64-2.69.