Sylvite and Annabergite Physical Properties

Sylvite

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

1.9933.07

1 7.18

1.5 Fracture

Uneven, Brittle

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

Not Available

Ni3(AsO4)2•8(H2O)

Sylvite and Annabergite Chemical Formula

While comparing Sylvite 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 Sylvite and Annabergite chemical formula.

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

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Sylvite and Annabergite Specific Gravity

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