Verdite and Pumpellyite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-3.0
  
3.20-3.30
  
Fracture
Not Available
  
Not Available
  
Cleavage
{110} Good
  
Not Available
  
Mohs Hardness
3
  
5-6
  
Chemical Composition
NaFeS2•2(H2O)
  
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
  
Verdite and Pumpellyite Chemical Formula
While comparing Verdite and Pumpellyite 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 Verdite and Pumpellyite chemical formula.
- Chemical formula of Verdite- NaFeS2•2(H2O)
- Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Verdite and Pumpellyite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.