Anorthite and Turquoise Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.77
  
2.30-2.90
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Perfect [001] good [010] poor [110]
  
Good to perfect_usually N/A
  
Mohs Hardness
6-6.5
  
5-6
  
Chemical Composition
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
CuAl6(PO4)4(OH)8 • 4H2O
  
Anorthite and Turquoise Chemical Formula
While comparing Anorthite and Turquoise 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 Anorthite and Turquoise chemical formula.
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Anorthite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Anorthite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.