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Annabergite
Annabergite

Moldavite
Moldavite



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Annabergite
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Moldavite

Annabergite and Moldavite 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
3.072.32-2.38
Amber
1 7.18
1.5 Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect on {010}, indistinct on {100} and {102}
Not Available
1.7 Mohs Hardness
25.5
Amber
2 10
1.8 Chemical Composition
Ni3(AsO4)2•8(H2O)
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Annabergite and Moldavite Chemical Formula

While comparing Annabergite and Moldavite 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 Moldavite chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Annabergite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.