Ruby Zoisite and Gahnite Physical Properties

Ruby Zoisite and Gahnite Chemical Formula

While comparing Ruby Zoisite and Gahnite 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 Ruby Zoisite and Gahnite chemical formula.

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• Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Ruby Zoisite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby Zoisite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby Zoisite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Ruby Zoisite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.