Angelite and Kornerupine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
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Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.25-3.45
  
Fracture
Not Available
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
Not Available
  
Good on {110}
  
Mohs Hardness
3.5
  
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
  
Angelite and Kornerupine Chemical Formula
While comparing Angelite 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 Angelite 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
Angelite and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Angelite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Angelite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Angelite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.