Apophyllite KF and Ceylonite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.33-2.37
  
3.63-3.9
  
Fracture
Uneven, Brittle, Uneven, Brittle, Uneven
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Perfect on {001}, imperfect on {110}
  
Indistinct
  
Mohs Hardness
4.5-5
  
7.5-8
  
Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
  
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
  
Apophyllite KF and Ceylonite Chemical Formula
While comparing Apophyllite KF and Ceylonite 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 Apophyllite KF and Ceylonite chemical formula.
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
- Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Apophyllite KF and Ceylonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.