Marialite and Labradorite Physical Properties

Marialite

Labradorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.502.69-2.72

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Distinct on {100} and {110}

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

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

(Na,Ca)_1-2Si_3-2O₈

Marialite and Labradorite Chemical Formula

While comparing Marialite 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 Marialite and Labradorite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Marialite and Labradorite Specific Gravity

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