Aegirine and Albite Physical Properties

Aegirine

Albite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.50-3.602.60-2.65

1 7.18

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Fracture

Uneven

Uneven, Conchoidal

Cleavage

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

Perfect on {001}, very good on {010}, imperfect on {110}

Mohs Hardness

66-6.5

2 10

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Chemical Composition

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Aegirine and Albite Chemical Formula

While comparing Aegirine and Albite 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 Aegirine and Albite chemical formula.

Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Aegirine and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aegirine and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aegirine and Albite Optical Properties during the identification of gemstone. Specific gravity of Aegirine is 2.60-2.65 whereas that of Albite is 2.60-2.65.