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Turquoise
Turquoise

Annabergite
Annabergite



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Turquoise
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Annabergite

Turquoise and Annabergite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.90
3.07
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Good to perfect_usually N/A
Perfect on {010}, indistinct on {100} and {102}
1.7 Mohs Hardness
5-6
2
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Ni3(AsO4)2•8(H2O)

Turquoise and Annabergite Chemical Formula

While comparing Turquoise 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 Turquoise and Annabergite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

Turquoise and Annabergite Specific Gravity

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