Polyhalite and Chalcopyrite Physical Properties

Polyhalite and Chalcopyrite Chemical Formula

While comparing Polyhalite and Chalcopyrite 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 Chalcopyrite chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Polyhalite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.