Albite and Sylvite Physical Properties

Albite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.651.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

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

Not Available

Albite and Sylvite Chemical Formula

While comparing Albite and Sylvite 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 Sylvite chemical formula.

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

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Albite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Albite is 1.993 whereas that of Sylvite is 1.993.