Langbeinite and Labradorite Physical Properties

Langbeinite

Labradorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.69-2.72

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

None

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)_1-2Si_3-2O₈

Langbeinite and Labradorite Chemical Formula

While comparing Langbeinite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Langbeinite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.