Pleonaste and Hackmanite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.80
  
2.27-2.33
  
Fracture
Not Available
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
8
  
5.5-6
  
Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Pleonaste and Hackmanite Chemical Formula
While comparing Pleonaste 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 Pleonaste and Hackmanite chemical formula.
- Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleonaste and Hackmanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pleonaste and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.