Riebeckite and Albite Physical Properties

Riebeckite

Albite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.44

2.60-2.65

1.5 Fracture

Uneven, Splintery, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.0

6-6.5

1.8 Chemical Composition

Not Available

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

Riebeckite and Albite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Albite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Riebeckite and Albite Specific Gravity

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