Verdite and Pyrophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-3.0
  
2.65-2.90
  
Fracture
Not Available
  
Gemstones (2009), Flexible Flexible fragments.
  
Cleavage
{110} Good
  
{001} Perfect
  
Mohs Hardness
3
  
Not Available
  
Chemical Composition
NaFeS2•2(H2O)
  
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Verdite and Pyrophyllite Chemical Formula
While comparing Verdite and Pyrophyllite 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 Pyrophyllite chemical formula.
- Chemical formula of Verdite- NaFeS2•2(H2O)
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Verdite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.