Glass and Apophyllite KF Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.39-4.00
  
2.33-2.37
  
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Uneven, Brittle, Uneven, Brittle, Uneven
  
Cleavage
Not Available
  
Perfect on {001}, imperfect on {110}
  
Mohs Hardness
4-6
  
4.5-5
  
Chemical Composition
Not Available
  
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
  
Glass and Apophyllite KF Chemical Formula
While comparing Glass 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 Glass and Apophyllite KF chemical formula.
>- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Glass and Apophyllite KF Specific Gravity
Another important criteria for qualitative analysis of gemstones is Glass and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glass and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Glass is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.