Malachite and Powellite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-4.10
  
4.23
  
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
Perfect on { 2 01} fair on {010}
  
{111} Distinct
  
Mohs Hardness
3.5-4
  
3.5-4
  
Chemical Composition
Cu2CO3(OH)2
  
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Malachite and Powellite Chemical Formula
While comparing Malachite 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 Malachite and Powellite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Powellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.23 whereas that of Powellite is 4.23.