Ruby and Cancrinite Physical Properties

Ruby

Cancrinite

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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

3.97-4.052.42-2.52

1 7.18

1.5 Fracture

Conchoidal

Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

No true cleavage

Perfect on {10 1 0}, poor on {0001}

1.7 Mohs Hardness

95-6

2 10

1.8 Chemical Composition

Al ₂ O ₃

Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

Ruby and Cancrinite Chemical Formula

While comparing Ruby and Cancrinite 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 Cancrinite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Ruby and Cancrinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Cancrinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Cancrinite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.42-2.52 whereas that of Cancrinite is 2.42-2.52.