Annabergite and Richterite Physical Properties

Annabergite

Richterite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.0-3.5

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven, Brittle

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

25-6

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

Not Available

Annabergite and Richterite Chemical Formula

While comparing Annabergite and Richterite 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 Richterite chemical formula.

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

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Annabergite and Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Richterite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.0-3.5 whereas that of Richterite is 3.0-3.5.