Turquoise and Cordierite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.90
  
2.57-2.66
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Subconchoidal, Conchoidal, Brittle
  
Cleavage
Good to perfect_usually N/A
  
Fair on {100}, poor on {001} and {010}
  
Mohs Hardness
5-6
  
7-7.5
  
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
  
Mg2Al4Si5O18
  
Turquoise and Cordierite Chemical Formula
While comparing Turquoise and Cordierite 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 Cordierite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Cordierite- Mg2Al4Si5O18
Turquoise and Cordierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.