Color change sapphire and Afghanite Physical Properties

Color change sapphire and Afghanite Chemical Formula

While comparing Color change sapphire and Afghanite 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 Color change sapphire and Afghanite chemical formula.

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• Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Color change sapphire and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Color change sapphire and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Color change sapphire and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Color change sapphire is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.