Phosphophyllite and Pargasite Physical Properties

Phosphophyllite and Pargasite Chemical Formula

While comparing Phosphophyllite 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 Phosphophyllite and Pargasite chemical formula.

• Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Phosphophyllite and Pargasite Specific Gravity

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