Arfvedsonite and Powellite Physical Properties

Arfvedsonite and Powellite Chemical Formula

While comparing Arfvedsonite and Powellite 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 Arfvedsonite and Powellite chemical formula.

• Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
• Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 4.23 whereas that of Powellite is 4.23.