Rossmanite and Peridot Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3
  
1.54-1.55
  
Fracture
Brittle, Metallic
  
Conchoidal
  
Cleavage
None
  
Poor
  
Mohs Hardness
Not Available
  
6.5-7
  
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
(Mg,Fe)2SiO4
  
Rossmanite and Peridot Chemical Formula
While comparing Rossmanite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)2SiO4
Rossmanite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.