Verdite and Realgar Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-3.0
  
3.56
  
Fracture
Not Available
  
(e.g. graphite).
  
Cleavage
{110} Good
  
{010} Good
  
Mohs Hardness
3
  
Not Available
  
Chemical Composition
NaFeS2•2(H2O)
  
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Verdite and Realgar Chemical Formula
While comparing Verdite and Realgar 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 Realgar chemical formula.
- Chemical formula of Verdite- NaFeS2•2(H2O)
- Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Verdite and Realgar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.56 whereas that of Realgar is 3.56.