Ruby and Datolite Physical Properties

Ruby

Datolite

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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

3.97-4.052.90-3.00

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

No true cleavage

None

1.7 Mohs Hardness

95-5.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Datolite Chemical Formula

While comparing Ruby and Datolite 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 Datolite chemical formula.

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

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Ruby and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Datolite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.90-3.00 whereas that of Datolite is 2.90-3.00.