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Andesine
Andesine

Annabergite
Annabergite



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Andesine
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Annabergite

Andesine and Annabergite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.693.07
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Perfect on {001}, good on {010}
Perfect on {010}, indistinct on {100} and {102}
1.7 Mohs Hardness
6-6.52
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Ni3(AsO4)2•8(H2O)

Andesine and Annabergite Chemical Formula

While comparing Andesine 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 Andesine and Annabergite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

Andesine and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.07 whereas that of Annabergite is 3.07.