Sapphire and Cobaltite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.95-4.03
6.3
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Cleavage
None, but may exhibit parting
{100} Good, {010} Good, {001} Good
Chemical Composition
Al 2 O 3
CoAsSAnthony et al , Handbook of mineralogy (2001)
Sapphire and Cobaltite Chemical Formula
While comparing Sapphire and Cobaltite 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 Sapphire and Cobaltite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Sapphire and Cobaltite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 6.3 whereas that of Cobaltite is 6.3.
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