Crystal Quartz and Polyhalite Physical Properties

Crystal Quartz and Polyhalite Chemical Formula

While comparing Crystal Quartz and Polyhalite 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 Crystal Quartz and Polyhalite chemical formula.

• Chemical formula of Crystal Quartz- SiO2
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Crystal Quartz and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 2.78 whereas that of Polyhalite is 2.78.