Nickeline and Pyromorphite Physical Properties

Nickeline and Pyromorphite Chemical Formula

While comparing Nickeline 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 Nickeline and Pyromorphite chemical formula.

• Chemical formula of Nickeline- NiAs
• Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Nickeline and Pyromorphite Specific Gravity

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