Cobaltite and Marcasite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
6.3
  
4.80-4.90
  
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
  
Cleavage
{100} Good, {010} Good, {001} Good
  
{010} Indistinct
  
Mohs Hardness
5.5
  
6-6.5
  
Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
  
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Cobaltite and Marcasite Chemical Formula
While comparing Cobaltite and Marcasite 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 Cobaltite and Marcasite chemical formula.
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cobaltite and Marcasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cobaltite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.