Hackmanite and Dolomite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Poorly soluble in dilute HCl
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.27-2.33
  
2.80-2.95
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
Not Available
  
Perfect on {10 1 1}, rhombohedral cleavage
  
Mohs Hardness
5.5-6
  
3.5-4
  
Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Hackmanite and Dolomite Chemical Formula
While comparing Hackmanite and Dolomite 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 Dolomite chemical formula.
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hackmanite and Dolomite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hackmanite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.