Andradite and Turquoise Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.70-4.10
  
2.30-2.90
  
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
none
  
Good to perfect_usually N/A
  
Mohs Hardness
6.5-7
  
5-6
  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
CuAl6(PO4)4(OH)8 • 4H2O
  
Andradite and Turquoise Chemical Formula
While comparing Andradite 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 Andradite and Turquoise chemical formula.
- Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Andradite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.