Ruby and Benitoite Physical Properties

Ruby

Benitoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble: HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.61-3.68

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

No true cleavage

[10 1 1] poor

1.7 Mohs Hardness

96-6.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Benitoite Chemical Formula

While comparing Ruby and Benitoite 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 Benitoite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.