Edenite and Hackmanite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.05-3.37
  
2.27-2.33
  
Fracture
Conchoidal, Brittle, Conchoidal
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Good on (110)
  
Not Available
  
Mohs Hardness
5-6
  
5.5-6
  
Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
  
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Edenite and Hackmanite Chemical Formula
While comparing Edenite and Hackmanite 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 Edenite and Hackmanite chemical formula.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Edenite and Hackmanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Edenite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.