Turquoise and Pyromorphite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.90
  
6.5-7.1
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
  
Cleavage
Good to perfect_usually N/A
  
Imperfect- [10 1 1]
  
Mohs Hardness
5-6
  
3.5-4
  
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
  
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  
Turquoise and Pyromorphite Chemical Formula
While comparing Turquoise and Pyromorphite 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 Pyromorphite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Turquoise and Pyromorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.