Malachite and Pargasite Physical Properties

Malachite and Pargasite Chemical Formula

While comparing Malachite 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 Malachite and Pargasite chemical formula.

• Chemical formula of Malachite- Cu₂CO₃(OH)₂
• Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Malachite and Pargasite Specific Gravity

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