Dallasite and Zincite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.58-2.91
  
5.50-5.90
  
Fracture
Not Available
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Not Available
  
On {10 1 0}, perfect; parting on {000 1 }
  
Mohs Hardness
6.5-7
  
4
  
Chemical Composition
Not Available
  
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Dallasite and Zincite Chemical Formula
While comparing Dallasite and Zincite 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 Dallasite and Zincite chemical formula.
>- Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Dallasite and Zincite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dallasite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dallasite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Dallasite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.