Sogdianite and Polyhalite Physical Properties

Sogdianite and Polyhalite Chemical Formula

While comparing Sogdianite 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 Sogdianite and Polyhalite chemical formula.

• Chemical formula of Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Sogdianite and Polyhalite Specific Gravity

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