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Hollandite and Cobaltite Physical Properties


Cobaltite and Hollandite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05   
6.3   

Fracture
Brittle, Metallic   
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
Distinct / Good, Prismatic   
{100} Good, {010} Good, {001} Good   

Mohs Hardness
4-6   
5.5   

Chemical Composition
Ba(Mn++++,Mn++)8O16   
CoAsSAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Hollandite and Cobaltite Chemical Formula

While comparing Hollandite 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 Hollandite and Cobaltite chemical formula.

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Hollandite and Cobaltite Specific Gravity

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

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Grey Gemstones


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