Periclase and Pyromorphite Physical Properties

Periclase and Pyromorphite Chemical Formula

While comparing Periclase and Pyromorphite 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 Periclase and Pyromorphite chemical formula.

• Chemical formula of Periclase- MgOMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Periclase and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.