Foitite and Albite Physical Properties

Foitite

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.172.60-2.65

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

76-6.5

2 10

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Foitite and Albite Chemical Formula

While comparing Foitite 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 Foitite and Albite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

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Foitite and Albite Specific Gravity

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