Geodes and Kornerupine Physical Properties
Tenacity
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Not Available
  
Solubility
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Not Available
  
Durability
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Specific Gravity
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3.25-3.45
  
Fracture
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ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
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Good on {110}
  
Mohs Hardness
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6.5
  
Chemical Composition
Not Available
  
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Geodes and Kornerupine Chemical Formula
While comparing Geodes 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 Geodes and Kornerupine chemical formula.
>- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Geodes and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Geodes and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Geodes and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Geodes is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.