Atacamite and Rhodochrosite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.745-3.776
  
3.0-3.3
  
Fracture
Conchoidal, Conchoidal, Brittle
  
Uneven, Conchoidal, Conchoidal to uneven, Brittle
  
Cleavage
Perfect on {010}, fair on {101}
  
On {10 1 1} perfect; parting on {10 1 2}
  
Mohs Hardness
3-3.5
  
3.5-4
  
Chemical Composition
Cu2Cl(OH)3
  
MnCO3
  
Atacamite and Rhodochrosite Chemical Formula
While comparing Atacamite and Rhodochrosite 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 Rhodochrosite chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Rhodochrosite- MnCO3
Atacamite and Rhodochrosite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.