Steatite and Pargasite Physical Properties

Steatite and Pargasite Chemical Formula

While comparing Steatite 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 Steatite and Pargasite chemical formula.

• Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
• Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Steatite and Pargasite Specific Gravity

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