Home
Gemstones


Cobaltite and Sapphire Physical Properties


Sapphire and Cobaltite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
6.3   
3.95-4.03   

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, Gems, Sixth Edition (2006)   

Cleavage
{100} Good, {010} Good, {001} Good   
None, but may exhibit parting   

Mohs Hardness
5.5   
9   

Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)   
Al 2 O 3   

Optical Properties >>
<< Astrology

Cobaltite and Sapphire Chemical Formula

While comparing Cobaltite and Sapphire 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 Sapphire chemical formula.

Compare Gems Found in America

Cobaltite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

Gems Found in America

Gems Found in America


Compare Gems Found in America