Plumbogummite and Annabergite Physical Properties

Plumbogummite

Annabergite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0143.07

1 7.18

1.5 Fracture

Uneven, Conchoidal

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

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

1.7 Mohs Hardness

4-52

2 10

1.8 Chemical Composition

Not Available

Ni3(AsO4)2•8(H2O)

Plumbogummite and Annabergite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Annabergite chemical formula.

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

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Plumbogummite and Annabergite Specific Gravity

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