Polyhalite and Larvikite Physical Properties

Polyhalite and Larvikite Chemical Formula

While comparing Polyhalite and Larvikite 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 Larvikite chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Larvikite- (Na,Ca)2(Fe2+,Mg)3Si3O10

Polyhalite and Larvikite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Larvikite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Larvikite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.59 whereas that of Larvikite is 2.59.