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Cobaltite and Jet Physical Properties


Jet
Jet and Cobaltite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.3   
1.19-1.35   

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   
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
{100} Good, {010} Good, {001} Good   
Not Available   

Mohs Hardness
5.5   
2.5-4   

Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)   
Not Available   

Optical Properties >>
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Cobaltite and Jet Chemical Formula

While comparing Cobaltite and Jet 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 Jet chemical formula.

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Cobaltite and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Jet Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 1.19-1.35 whereas that of Jet is 1.19-1.35.

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