Amethyst and Axinite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble in common solvents
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
3.26-3.36
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Indiscernible
  
Good on {100}
  
Mohs Hardness
7
  
6.5-7
  
Chemical Composition
SiO2
  
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Amethyst and Axinite Chemical Formula
While comparing Amethyst and Axinite 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 Amethyst and Axinite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Amethyst and Axinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Axinite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.26-3.36 whereas that of Axinite is 3.26-3.36.