Proustite and Pietersite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.51-5.64
  
Not Available
  
Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Not Available
  
Cleavage
Distinct on {10 1 1}
  
Not Available
  
Mohs Hardness
2.5
  
5
  
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Proustite and Pietersite Chemical Formula
While comparing Proustite and Pietersite 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 Proustite and Pietersite chemical formula.
- Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Proustite and Pietersite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Proustite and Pietersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Pietersite Optical Properties during the identification of gemstone. Specific gravity of Proustite is Not Available whereas that of Pietersite is Not Available.