Beryllonite and Chrysoberyl Physical Properties

Beryllonite

Chrysoberyl

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.873.69-3.81

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

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

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

Mohs Hardness

5.5-68.5

2 10

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Chemical Composition

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

BeAl ₂ O ₄

Beryllonite and Chrysoberyl Chemical Formula

While comparing Beryllonite 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 Beryllonite and Chrysoberyl chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrysoberyl- BeAl ₂ O ₄

Compare Colorless Gems

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Beryllonite Vs Herderite

Beryllonite and Chrysoberyl Specific Gravity

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