Kashmir sapphire and Hackmanite Physical Properties

Kashmir sapphire and Hackmanite Chemical Formula

While comparing Kashmir sapphire and Hackmanite 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 Kashmir sapphire and Hackmanite chemical formula.

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• Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Kashmir sapphire and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kashmir sapphire and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kashmir sapphire and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Kashmir sapphire is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.