Bytownite and Mottramite Physical Properties

Bytownite and Mottramite Chemical Formula

While comparing Bytownite and Mottramite 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 Bytownite and Mottramite chemical formula.

• Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Mottramite- PbCu(VO4)(OH)

Bytownite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bytownite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 5.9 whereas that of Mottramite is 5.9.