Benitoite and Sylvite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Insoluble: HCl
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.61-3.68
  
1.993
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Uneven, Brittle
  
Cleavage
[10 1 1] poor
  
Perfect on [100], [010], [001]
  
Mohs Hardness
6-6.5
  
2.5
  
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Benitoite and Sylvite Chemical Formula
While comparing Benitoite and Sylvite 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 Sylvite chemical formula.
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Benitoite and Sylvite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Benitoite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 1.993 whereas that of Sylvite is 1.993.