Realgar and Pargasite Physical Properties

Realgar and Pargasite Chemical Formula

While comparing Realgar and Pargasite 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 Pargasite chemical formula.

• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Realgar and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.