Hawks Eye and Sillimanite Physical Properties

Hawks Eye and Sillimanite Chemical Formula

While comparing Hawks Eye and Sillimanite 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 Hawks Eye and Sillimanite chemical formula.

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• Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Hawks Eye and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hawks Eye and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hawks Eye and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Hawks Eye is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.