Richterite and Annabergite Physical Properties

Richterite

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

3.0-3.53.07

1 7.18

1.5 Fracture

Uneven, Brittle

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-62

2 10

1.8 Chemical Composition

Not Available

Ni3(AsO4)2•8(H2O)

Richterite and Annabergite Chemical Formula

While comparing Richterite 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 Richterite and Annabergite chemical formula.

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

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Richterite and Annabergite Specific Gravity

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