Malachite and Bornite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-4.10
  
5.06-5.08
  
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
Uneven, Subconchoidal, Conchoidal, Brittle
  
Cleavage
Perfect on { 2 01} fair on {010}
  
Poor on [111].
  
Mohs Hardness
3.5-4
  
3-3.25
  
Chemical Composition
Cu2CO3(OH)2
  
Cu5FeS4
  
Malachite and Bornite Chemical Formula
While comparing Malachite and Bornite 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 Bornite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Bornite- Cu5FeS4
Malachite and Bornite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Bornite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Bornite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 5.06-5.08 whereas that of Bornite is 5.06-5.08.