Annabergite and Dallasite Physical Properties
Tenacity
Sectile
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.07
  
2.58-2.91
  
Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
  
Not Available
  
Cleavage
Perfect on {010}, indistinct on {100} and {102}
  
Not Available
  
Mohs Hardness
2
  
6.5-7
  
Chemical Composition
Ni3(AsO4)2•8(H2O)
  
Not Available
  
Annabergite and Dallasite Chemical Formula
While comparing Annabergite and Dallasite 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 Annabergite and Dallasite chemical formula.
- Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
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Annabergite and Dallasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Annabergite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.