Pargasite and Chrome Pyrope Physical Properties

Pargasite and Chrome Pyrope Chemical Formula

While comparing Pargasite and Chrome Pyrope 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 Pargasite and Chrome Pyrope chemical formula.

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

Pargasite and Chrome Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Chrome Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Chrome Pyrope Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.62-3.80 whereas that of Chrome Pyrope is 3.62-3.80.