Langbeinite and Annabergite Physical Properties

Langbeinite

Annabergite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.07

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

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

1.7 Mohs Hardness

3.5-42

2 10

1.8 Chemical Composition

Not Available

Ni3(AsO4)2•8(H2O)

Langbeinite and Annabergite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Annabergite chemical formula.

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

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Langbeinite and Annabergite Specific Gravity

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