Selenite and Opal Australia Physical Properties

Selenite and Opal Australia Chemical Formula

While comparing Selenite 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 Selenite and Opal Australia chemical formula.

• Chemical formula of Selenite- CaSO4·2H2O
• Chemical formula of Opal Australia- SiO2*nH2O

Selenite and Opal Australia Specific Gravity

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