Pargasite and Chlorapatite Physical Properties

Pargasite and Chlorapatite Chemical Formula

While comparing Pargasite and Chlorapatite 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 Chlorapatite 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 Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Pargasite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.