Melanite and Covellite Physical Properties
Tenacity
Not Available
  
Flexible
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.70-4.10
  
4.6-4.76
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Cleavage
Not Available
  
Perfect on {0001}
  
Mohs Hardness
6.5-7
  
Not Available
  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Melanite and Covellite Chemical Formula
While comparing Melanite and Covellite 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 Melanite and Covellite chemical formula.
- Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Melanite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Melanite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.