Amethyst and Carletonite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
insoluble in common solvents
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
2.45
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
Indiscernible
  
Perfect on {001}, good on {110}
  
Mohs Hardness
7
  
4-4.5
  
Chemical Composition
SiO2
  
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Amethyst and Carletonite Chemical Formula
While comparing Amethyst and Carletonite 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 Carletonite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Carletonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.45 whereas that of Carletonite is 2.45.