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Annabergite
Annabergite

Gahnospinel
Gahnospinel



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Annabergite
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Gahnospinel

Annabergite and Gahnospinel Physical Properties

1 Physical Properties
1.1 Tenacity
Sectile
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.073.65-4.55
Amber
1 7.18
1.5 Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {010}, indistinct on {100} and {102}
None, but may exhibit slight parting
1.7 Mohs Hardness
27.5-8
Amber
2 10
1.8 Chemical Composition
Ni3(AsO4)2•8(H2O)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Annabergite and Gahnospinel Chemical Formula

While comparing Annabergite and Gahnospinel 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 Gahnospinel chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Annabergite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.