Selenite and Annabergite Physical Properties

Selenite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.07

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

Ni3(AsO4)2•8(H2O)

Selenite and Annabergite Chemical Formula

While comparing Selenite 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 Selenite and Annabergite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Selenite and Annabergite Specific Gravity

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