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Cordierite and Cobaltite Physical Properties


Cobaltite and Cordierite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.57-2.66   
6.3   

Fracture
Subconchoidal, Conchoidal, Brittle   
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
Fair on {100}, poor on {001} and {010}   
{100} Good, {010} Good, {001} Good   

Mohs Hardness
7-7.5   
5.5   

Chemical Composition
Mg2Al4Si5O18   
CoAsSAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Cordierite and Cobaltite Chemical Formula

While comparing Cordierite 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 Cordierite and Cobaltite chemical formula.

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Cordierite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 6.3 whereas that of Cobaltite is 6.3.

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