Forsterite and Chrysoberyl Physical Properties

Forsterite

Chrysoberyl

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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

3.23-3.263.69-3.81

1 7.18

1.5 Fracture

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

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

1.6 Cleavage

Perfect on {010} imperfect on {100}

Distinct on {110}, imperfect on {010}, poor on {001}

1.7 Mohs Hardness

6.5-78.5

2 10

1.8 Chemical Composition

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

BeAl ₂ O ₄

Forsterite and Chrysoberyl Chemical Formula

While comparing Forsterite and Chrysoberyl 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 Chrysoberyl chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chrysoberyl- BeAl ₂ O ₄

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Forsterite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.