Zinnwaldite and Labradorite Physical Properties

Zinnwaldite

Labradorite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.69-2.72

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect basal {001}

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

1.7 Mohs Hardness

3.5-4.06-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)_1-2Si_3-2O₈

Zinnwaldite and Labradorite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Labradorite chemical formula.

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

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Zinnwaldite and Labradorite Specific Gravity

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