Nickeline and Labradorite Physical Properties

Nickeline

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

Not Available2.69-2.72

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

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

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)_1-2Si_3-2O₈

Nickeline and Labradorite Chemical Formula

While comparing Nickeline 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 Nickeline and Labradorite chemical formula.

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

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Nickeline and Labradorite Specific Gravity

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