Apophyllite KF and Caledonite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.33-2.37
  
5.6-5.76
  
Fracture
Uneven, Brittle, Uneven, Brittle, Uneven
  
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
  
Cleavage
Perfect on {001}, imperfect on {110}
  
[001] perfect; [100] distinct
  
Mohs Hardness
4.5-5
  
2.5-3
  
Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
  
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
  
Apophyllite KF and Caledonite Chemical Formula
While comparing Apophyllite KF and Caledonite 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 Caledonite chemical formula.
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Apophyllite KF and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.