Pyromorphite and Sapphirine Physical Properties

Pyromorphite and Sapphirine Chemical Formula

While comparing Pyromorphite and Sapphirine 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 Pyromorphite and Sapphirine chemical formula.

• Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
• Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pyromorphite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.