Labradorite and Nuummite Physical Properties

Labradorite

Nuummite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.723.18-3.37

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Not Available

Labradorite and Nuummite Chemical Formula

While comparing Labradorite and Nuummite 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 Nuummite chemical formula.

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

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Labradorite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.