Polyhalite and Augelite Physical Properties

Polyhalite and Augelite Chemical Formula

While comparing Polyhalite and Augelite 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 Augelite chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Polyhalite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.