Rutilated topaz and Poudretteite Physical Properties

Rutilated topaz and Poudretteite Chemical Formula

While comparing Rutilated topaz and Poudretteite 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 Rutilated topaz and Poudretteite chemical formula.

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• Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Rutilated topaz and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutilated topaz and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutilated topaz and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Rutilated topaz is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.