Polyhalite and Quartz Physical Properties

Polyhalite and Quartz Chemical Formula

While comparing Polyhalite and Quartz 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 Polyhalite and Quartz chemical formula.

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• Chemical formula of Quartz- SiO₂

Polyhalite and Quartz Specific Gravity

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