Taaffeite and Peridot Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.60-3.61
  
1.54-1.55
  
Fracture
Conchoidal
  
Conchoidal
  
Cleavage
Imperfect/fair/absent
  
Poor
  
Mohs Hardness
8-8.5
  
6.5-7
  
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  
(Mg,Fe)2SiO4
  
Taaffeite and Peridot Chemical Formula
While comparing Taaffeite 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 Taaffeite and Peridot chemical formula.
- Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Peridot- (Mg,Fe)2SiO4
Taaffeite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Taaffeite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.