Rhyolite and Hercynite Physical Properties

Rhyolite and Hercynite Chemical Formula

While comparing Rhyolite and Hercynite 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 Rhyolite and Hercynite chemical formula.

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• Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Rhyolite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhyolite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhyolite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Rhyolite is 4.39 whereas that of Hercynite is 4.39.