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Kornerupine and Zinnwaldite Physical Properties


Zinnwaldite and Kornerupine Physical Properties


Physical Properties

Tenacity
Not Available   
Elastic   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.45   
2.9-3.1   

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

Cleavage
Good on {110}   
Perfect basal {001}   

Mohs Hardness
6.5   
3.5-4.0   

Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references   
Not Available   

Optical Properties >>
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Kornerupine and Zinnwaldite Chemical Formula

While comparing Kornerupine and Zinnwaldite 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 Zinnwaldite chemical formula.

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Kornerupine and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.

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Green Gemstones


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