Labradorite and Zinnwaldite Physical Properties

Labradorite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.722.9-3.1

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Uneven

1.6 Cleavage

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

Perfect basal {001}

1.7 Mohs Hardness

6-6.53.5-4.0

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Not Available

Labradorite and Zinnwaldite Chemical Formula

While comparing Labradorite and Zinnwaldite 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 Zinnwaldite chemical formula.

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

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Labradorite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.