Chlorapatite and Atacamite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.17-3.18
  
3.745-3.776
  
Fracture
Not Available
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
Not Available
  
Perfect on {010}, fair on {101}
  
Mohs Hardness
Not Available
  
3-3.5
  
Chemical Composition
Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
  
Cu2Cl(OH)3
  
Chlorapatite and Atacamite Chemical Formula
While comparing Chlorapatite 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 Chlorapatite and Atacamite chemical formula.
- Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Chlorapatite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorapatite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorapatite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Chlorapatite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.