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