Eilat stone and Polyhalite Physical Properties

Eilat stone and Polyhalite Chemical Formula

While comparing Eilat stone 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 Eilat stone and Polyhalite chemical formula.

• Chemical formula of Eilat stone- Cu3(PO4)(OH)3
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Eilat stone and Polyhalite Specific Gravity

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