Lazurite and Benitoite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Insoluble: HCl
Durability
Not Available
Not Available
Specific Gravity
2.75
3.61-3.68
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Imperfect on {110}
[10 1 1] poor
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Lazurite and Benitoite Chemical Formula
While comparing Lazurite 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 Lazurite and Benitoite chemical formula.
- Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Lazurite and Benitoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lazurite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.