Cobaltite and Narsarsukite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
6.3
  
2.72-2.83
  
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
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
{100} Good, {010} Good, {001} Good
  
Good on {100} and {110}
  
Mohs Hardness
5.5
  
6-7
  
Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
  
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  
Cobaltite and Narsarsukite Chemical Formula
While comparing Cobaltite and Narsarsukite 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 Narsarsukite chemical formula.
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Cobaltite and Narsarsukite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cobaltite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.