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Kornerupine and Neptunite Physical Properties


Neptunite and Kornerupine Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.45   
3.19-3.23   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven   
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   

Cleavage
Good on {110}   
{110} good   

Mohs Hardness
6.5   
5-6   

Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references   
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Kornerupine and Neptunite Chemical Formula

While comparing Kornerupine and Neptunite 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 Kornerupine and Neptunite chemical formula.

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Kornerupine and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.

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