Caledonite and Apophyllite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.6-5.76
  
2.30-2.50
  
Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
[001] perfect; [100] distinct
  
Perfect on (001)
  
Mohs Hardness
2.5-3
  
4.5-5
  
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
  
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Caledonite and Apophyllite Chemical Formula
While comparing Caledonite 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 Caledonite and Apophyllite chemical formula.
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Caledonite and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Caledonite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.