Pietersite and Annabergite Physical Properties
Tenacity
Not Available
  
Sectile
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.07
  
Fracture
Not Available
  
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
  
Cleavage
Not Available
  
Perfect on {010}, indistinct on {100} and {102}
  
Mohs Hardness
5
  
2
  
Chemical Composition
Not Available
  
Ni3(AsO4)2•8(H2O)
  
Pietersite and Annabergite Chemical Formula
While comparing Pietersite and Annabergite 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 Pietersite and Annabergite chemical formula.
>- Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Pietersite and Annabergite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pietersite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pietersite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Pietersite is 3.07 whereas that of Annabergite is 3.07.