Fayalite and Chrysoberyl Physical Properties

Fayalite

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

4.3923.69-3.81

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

{010} moderate, {100} imperfect

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

1.7 Mohs Hardness

6.5-78.5

2 10

1.8 Chemical Composition

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

BeAl ₂ O ₄

Fayalite and Chrysoberyl Chemical Formula

While comparing Fayalite 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 Fayalite and Chrysoberyl chemical formula.

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

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Fayalite and Chrysoberyl Specific Gravity

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