Augelite and Labradorite Physical Properties

Augelite

Labradorite

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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

2.70-2.752.69-2.72

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

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

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

(Na,Ca)_1-2Si_3-2O₈

Augelite and Labradorite Chemical Formula

While comparing Augelite 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 Augelite and Labradorite chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Augelite and Labradorite Specific Gravity

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