Kornerupine and Apophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-3.45
  
2.30-2.50
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Good on {110}
  
Perfect on (001)
  
Mohs Hardness
6.5
  
4.5-5
  
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Kornerupine and Apophyllite Chemical Formula
While comparing Kornerupine and Apophyllite 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 Apophyllite 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
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Kornerupine and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Kornerupine and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.