Turquoise and Proustite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.90
  
5.51-5.64
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Good to perfect_usually N/A
  
Distinct on {10 1 1}
  
Mohs Hardness
5-6
  
2.5
  
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
  
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Turquoise and Proustite Chemical Formula
While comparing Turquoise and Proustite 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 Turquoise and Proustite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Turquoise and Proustite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Proustite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 5.51-5.64 whereas that of Proustite is 5.51-5.64.