Cobaltite and Gahnospinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
6.3
  
3.65-4.55
  
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
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{100} Good, {010} Good, {001} Good
  
None, but may exhibit slight parting
  
Mohs Hardness
5.5
  
7.5-8
  
Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
  
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  
Cobaltite and Gahnospinel Chemical Formula
While comparing Cobaltite and Gahnospinel 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 Gahnospinel chemical formula.
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Cobaltite and Gahnospinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cobaltite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.