Pargasite and Fire Agate Physical Properties

Pargasite and Fire Agate Chemical Formula

While comparing Pargasite and Fire Agate 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 Fire Agate 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 Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)

Pargasite and Fire Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Fire Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Fire Agate Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.60-2.64 whereas that of Fire Agate is 2.60-2.64.