Forsterite and Beryllonite Physical Properties

Forsterite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.23-3.262.79-2.87

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {010} imperfect on {100}

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

Mohs Hardness

6.5-75.5-6

2 10

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Chemical Composition

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

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Forsterite and Beryllonite Chemical Formula

While comparing Forsterite and Beryllonite 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 Beryllonite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Forsterite Vs Grossular

Forsterite Vs Hayne

Forsterite Vs Hemimorphite

Forsterite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.