Langbeinite and Atacamite Physical Properties

Langbeinite

Atacamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.745-3.776

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

None

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

3.5-43-3.5

2 10

1.8 Chemical Composition

Not Available

Cu2Cl(OH)3

Langbeinite and Atacamite Chemical Formula

While comparing Langbeinite and Atacamite 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 Atacamite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3

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Langbeinite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.