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Annabergite
Annabergite

Charlesite
Charlesite



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Annabergite
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Charlesite

Annabergite and Charlesite Physical Properties

Physical Properties

Tenacity

Sectile
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.071.79
1 7.18
👆🏻

Fracture

-
Irregular/uneven

Cleavage

Perfect on {010}, indistinct on {100} and {102}
Perfect on {10bar10}

Mohs Hardness

22.5
2 10
👆🏻

Chemical Composition

Ni3(AsO4)2•8(H2O)
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Annabergite and Charlesite Chemical Formula

While comparing Annabergite and Charlesite 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 Charlesite chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Annabergite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 1.79 whereas that of Charlesite is 1.79.