Powellite and Atacamite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.23
3.745-3.776
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Conchoidal, Brittle
Cleavage
{111} Distinct
Perfect on {010}, fair on {101}
Mohs Hardness
3.5-4
3-3.5
Chemical Composition
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Cu2Cl(OH)3
Powellite and Atacamite Chemical Formula
While comparing Powellite and Atacamite 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 Atacamite chemical formula.
- Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Powellite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Powellite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.