Powellite and Hollandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.23
5.05
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Brittle, Metallic
Cleavage
{111} Distinct
Distinct / Good, Prismatic
Chemical Composition
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ba(Mn++++,Mn++)8O16
Powellite and Hollandite Chemical Formula
While comparing Powellite and Hollandite 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 Powellite and Hollandite chemical formula.
- Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Powellite and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Powellite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 5.05 whereas that of Hollandite is 5.05.