Polyhalite and Barite Physical Properties

Polyhalite and Barite Chemical Formula

While comparing Polyhalite and Barite 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 Barite chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Barite- BaSO4

Polyhalite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Barite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 4.48 whereas that of Barite is 4.48.