Ruby and Beryllonite Physical Properties

Ruby

Beryllonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.052.79-2.87

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

No true cleavage

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

1.7 Mohs Hardness

95.5-6

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Beryllonite Chemical Formula

While comparing Ruby 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 Ruby and Beryllonite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Beryllonite Specific Gravity

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