Verdite and Pargasite Physical Properties

Verdite and Pargasite Chemical Formula

While comparing Verdite 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 Verdite and Pargasite chemical formula.

• Chemical formula of Verdite- NaFeS2•2(H2O)
• Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Verdite and Pargasite Specific Gravity

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