Lavrovite and Polyhalite Physical Properties

Lavrovite and Polyhalite Chemical Formula

While comparing Lavrovite 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 Lavrovite and Polyhalite chemical formula.

• Chemical formula of Lavrovite- NaCa2(Fe2+,Mg)4Si7AlO22(OH)2
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Lavrovite and Polyhalite Specific Gravity

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