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Hollandite and Kornerupine Physical Properties


Kornerupine 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   
3.25-3.45   

Fracture
Brittle, Metallic   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven   

Cleavage
Distinct / Good, Prismatic   
Good on {110}   

Mohs Hardness
4-6   
6.5   

Chemical Composition
Ba(Mn++++,Mn++)8O16   
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Hollandite and Kornerupine Chemical Formula

While comparing Hollandite and Kornerupine 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 Kornerupine chemical formula.

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Hollandite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.

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