Rossmanite and Violane Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3
  
3.22-3.40
  
Fracture
Brittle, Metallic
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
Not Available
  
5-6
  
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
  
Rossmanite and Violane Chemical Formula
While comparing Rossmanite and Violane 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 Rossmanite and Violane chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Rossmanite and Violane Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Violane Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.22-3.40 whereas that of Violane is 3.22-3.40.