Forsterite and Albite Physical Properties

Forsterite

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

3.23-3.262.60-2.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {010} imperfect on {100}

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

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

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

Forsterite and Albite Chemical Formula

While comparing Forsterite 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 Forsterite and Albite chemical formula.

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

Compare Green Gemstones

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Forsterite Vs Grossular

Forsterite Vs Hackmanite

Forsterite and Albite Specific Gravity

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