Pumpellyite and Apophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.20-3.30
  
2.30-2.50
  
Fracture
Not Available
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Perfect on (001)
  
Mohs Hardness
5-6
  
4.5-5
  
Chemical Composition
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
  
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Pumpellyite and Apophyllite Chemical Formula
While comparing Pumpellyite 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 Pumpellyite and Apophyllite chemical formula.
- Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Pumpellyite and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pumpellyite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.