Annabergite and Phlogopite Physical Properties

Annabergite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Sectile

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.072.78-2.85

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

None, Uneven

1.6 Cleavage

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

Perfect basal (001)

1.7 Mohs Hardness

22-2.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

Not Available

Annabergite and Phlogopite Chemical Formula

While comparing Annabergite and Phlogopite 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 Phlogopite chemical formula.

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

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Annabergite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.