Vishnevite and Bytownite Physical Properties

Vishnevite and Bytownite Chemical Formula

While comparing Vishnevite and Bytownite 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 Bytownite chemical formula.

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• Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Vishnevite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.