Benitoite and Pyrite Physical Properties
Solubility
Insoluble: HCl
insoluble in water
Specific Gravity
3.61-3.68
5.00-5.20
Fracture
Conchoidal
Uneven, Conchoidal, ConchoidalWalter Schumann
Cleavage
[10 1 1] poor
Indistinct on {001}; partings on {011} and {111}
Mohs Hardness
6-6.5
6-6.5
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Benitoite and Pyrite Chemical Formula
While comparing Benitoite and Pyrite 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 Pyrite chemical formula.
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Benitoite and Pyrite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Benitoite and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.