Sard and Pyromorphite Physical Properties

Sard and Pyromorphite Chemical Formula

While comparing Sard 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 Sard and Pyromorphite chemical formula.

• Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
• Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Sard and Pyromorphite Specific Gravity

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