Labradorite and Albite Physical Properties

Labradorite

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.722.60-2.65

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

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

Labradorite and Albite Chemical Formula

While comparing Labradorite 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 Labradorite and Albite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Labradorite and Albite Specific Gravity

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