Polyhalite and Opal Australia Physical Properties

Polyhalite and Opal Australia Chemical Formula

While comparing Polyhalite and Opal Australia 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 Opal Australia chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Opal Australia- SiO2*nH2O

Polyhalite and Opal Australia Specific Gravity

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