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Plumbogummite and Hollandite Physical Properties


Hollandite and Plumbogummite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.014   
5.05   

Fracture
Uneven, Conchoidal   
Brittle, Metallic   

Cleavage
None   
Distinct / Good, Prismatic   

Mohs Hardness
4-5   
4-6   

Chemical Composition
Not Available   
Ba(Mn++++,Mn++)8O16   

Optical Properties >>
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Plumbogummite and Hollandite Chemical Formula

While comparing Plumbogummite and Hollandite 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 Plumbogummite and Hollandite chemical formula.

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Plumbogummite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 5.05 whereas that of Hollandite is 5.05.

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