Albite and Aegirine Physical Properties

Albite

Aegirine

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.60-2.653.50-3.60

1 7.18

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Fracture

Uneven, Conchoidal

Uneven

Cleavage

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

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

Mohs Hardness

6-6.56

2 10

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Chemical Composition

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

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

Albite and Aegirine Chemical Formula

While comparing Albite and Aegirine 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 Albite and Aegirine chemical formula.

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

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Albite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Albite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.