Andradite and Amazonite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.70-4.10
  
2.55-2.57
  
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
none
  
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
  
Mohs Hardness
6.5-7
  
6-6.5
  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
KAlSi3O8
  
Andradite and Amazonite Chemical Formula
While comparing Andradite and Amazonite 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 Amazonite chemical formula.
- Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Amazonite- KAlSi3O8
Andradite and Amazonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.