Kyanite and Williamsite Physical Properties

Kyanite and Williamsite Chemical Formula

While comparing Kyanite and Williamsite 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 Kyanite and Williamsite chemical formula.

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• Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Kyanite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.