Atacamite and Kornerupine Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.745-3.776
  
3.25-3.45
  
Fracture
Conchoidal, Conchoidal, Brittle
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
Perfect on {010}, fair on {101}
  
Good on {110}
  
Mohs Hardness
3-3.5
  
6.5
  
Chemical Composition
Cu2Cl(OH)3
  
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Atacamite and Kornerupine Chemical Formula
While comparing Atacamite and Kornerupine 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 Kornerupine chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Atacamite and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.