Albite and Fayalite Physical Properties

Albite

Fayalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.654.392

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

{010} moderate, {100} imperfect

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

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

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Albite and Fayalite Chemical Formula

While comparing Albite and Fayalite 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 Fayalite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Albite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Albite is 4.392 whereas that of Fayalite is 4.392.