Chrysoberyl and Apophyllite KF Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.69-3.81
  
2.33-2.37
  
Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
  
Uneven, Brittle, Uneven, Brittle, Uneven
  
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
  
Perfect on {001}, imperfect on {110}
  
Mohs Hardness
8.5
  
4.5-5
  
Chemical Composition
BeAl 2 O 4
  
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
  
Chrysoberyl and Apophyllite KF Chemical Formula
While comparing Chrysoberyl and Apophyllite KF 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 Chrysoberyl and Apophyllite KF chemical formula.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chrysoberyl and Apophyllite KF Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.