Realgar and Selenite Physical Properties

Realgar and Selenite Chemical Formula

While comparing Realgar and Selenite 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 Realgar and Selenite chemical formula.

• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Selenite- CaSO4·2H2O

Realgar and Selenite Specific Gravity

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