Polyhalite and Wulfenite Physical Properties

Polyhalite and Wulfenite Chemical Formula

While comparing Polyhalite and Wulfenite 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 Wulfenite chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Polyhalite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.