Spinel and Benitoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
none
Insoluble: HCl
Durability
Not Available
Not Available
Specific Gravity
3.64-3.66
3.61-3.68
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
None, but may exhibit slight parting
[10 1 1] poor
Chemical Composition
MgAl2O4
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spinel and Benitoite Chemical Formula
While comparing Spinel 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 Spinel and Benitoite chemical formula.
- Chemical formula of Spinel- MgAl2O4
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spinel and Benitoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spinel and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.