Labradorite and Glaucophane Physical Properties

Labradorite

Glaucophane

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.69-2.723-3.15

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

Good on [110] and on [001]

Mohs Hardness

6-6.56.0-6.5

2 10

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Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

[ ]Na2(Mg3Al2)Si8O22(OH)2

Labradorite and Glaucophane Chemical Formula

While comparing Labradorite and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Labradorite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3-3.15 whereas that of Glaucophane is 3-3.15.