Chrysoberyl and Forsterite Physical Properties

Chrysoberyl

Forsterite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.23-3.26

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

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

Perfect on {010} imperfect on {100}

Mohs Hardness

8.56.5-7

2 10

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Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Forsterite Chemical Formula

While comparing Chrysoberyl and Forsterite 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 Chrysoberyl and Forsterite chemical formula.

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

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Chrysoberyl Vs Demantoid

Chrysoberyl Vs Dioptase

Chrysoberyl and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.