Amethyst and Benitoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Insoluble: HCl
Durability
Not Available
Not Available
Specific Gravity
2.65
3.61-3.68
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Indiscernible
[10 1 1] poor
Chemical Composition
SiO2
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Benitoite Chemical Formula
While comparing Amethyst and Benitoite 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 Benitoite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Benitoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.