Nickeline and Amazonite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.55-2.57
  
Fracture
Conchoidal, Uneven
  
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
{1010} Imperfect, {0001} Imperfect
  
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
  
Mohs Hardness
5-5.5
  
6-6.5
  
Chemical Composition
Not Available
  
KAlSi3O8
  
Nickeline and Amazonite Chemical Formula
While comparing Nickeline 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 Nickeline and Amazonite chemical formula.
>- Chemical formula of Amazonite- KAlSi3O8
Nickeline and Amazonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nickeline and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.