Annabergite and Feldspar Physical Properties
Tenacity
Sectile
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.07
  
2.56-2.75
  
Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
  
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Perfect on {010}, indistinct on {100} and {102}
  
two or three
  
Mohs Hardness
2
  
6-6.5
  
Chemical Composition
Ni3(AsO4)2•8(H2O)
  
Not Available
  
Annabergite and Feldspar Chemical Formula
While comparing Annabergite and Feldspar 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 Feldspar chemical formula.
- Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
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Annabergite and Feldspar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Annabergite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.