Atacamite and Azurmalachite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.745-3.776
  
3.70-3.95
  
Fracture
Conchoidal, Conchoidal, Brittle
  
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
Perfect on {010}, fair on {101}
  
1,1 basal.
  
Mohs Hardness
3-3.5
  
3.5-4
  
Chemical Composition
Cu2Cl(OH)3
  
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
  
Atacamite and Azurmalachite Chemical Formula
While comparing Atacamite and Azurmalachite 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 Atacamite and Azurmalachite chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Atacamite and Azurmalachite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.