Cobaltite and Blue John Physical Properties
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.3
3.00-3.25
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
Not Available
Cleavage
{100} Good, {010} Good, {001} Good
Not Available
Mohs Hardness
5.5
Not Available
Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Cobaltite and Blue John Chemical Formula
While comparing Cobaltite and Blue John 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 Blue John chemical formula.
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Cobaltite and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cobaltite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.
