Langbeinite and Albite Physical Properties

Langbeinite

Albite

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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 Available2.60-2.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

None

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

Not Available

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Langbeinite and Albite Chemical Formula

While comparing Langbeinite and Albite 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 Albite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Langbeinite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Albite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 2.60-2.65 whereas that of Albite is 2.60-2.65.