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Prase Opal
Prase Opal

Annabergite
Annabergite



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Prase Opal
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Annabergite

Prase Opal and Annabergite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.25
3.07
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Not Available
Perfect on {010}, indistinct on {100} and {102}
1.7 Mohs Hardness
5-6.5
2
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Ni3(AsO4)2•8(H2O)

Prase Opal and Annabergite Chemical Formula

While comparing Prase Opal 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 Prase Opal and Annabergite chemical formula.

  • Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

Prase Opal and Annabergite Specific Gravity

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