Hackmanite and Peridot Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.27-2.33
  
1.54-1.55
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Conchoidal
  
Cleavage
Not Available
  
Poor
  
Mohs Hardness
5.5-6
  
6.5-7
  
Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
(Mg,Fe)2SiO4
  
Hackmanite and Peridot Chemical Formula
While comparing Hackmanite 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 Hackmanite and Peridot chemical formula.
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Peridot- (Mg,Fe)2SiO4
Hackmanite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hackmanite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.