Gahnite and Benitoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Insoluble: HCl
Durability
Not Available
Not Available
Specific Gravity
4.00-4.62
3.61-3.68
Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Indistinct parting on [111]
[10 1 1] poor
Mohs Hardness
7.5-8
6-6.5
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Gahnite and Benitoite Chemical Formula
While comparing Gahnite 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 Gahnite and Benitoite chemical formula.
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Gahnite and Benitoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.