Hollandite and Powellite Physical Properties

Hollandite and Powellite Chemical Formula

While comparing Hollandite 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 Hollandite and Powellite chemical formula.

• Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
• Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Hollandite and Powellite Specific Gravity

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