Hureaulite and Polyhalite Physical Properties

Hureaulite and Polyhalite Chemical Formula

While comparing Hureaulite 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 Hureaulite and Polyhalite chemical formula.

• Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Hureaulite and Polyhalite Specific Gravity

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