Cancrinite and Cordierite Iolite Physical Properties

Cancrinite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.522.56-2.66

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Cancrinite and Cordierite Iolite Chemical Formula

While comparing Cancrinite and Cordierite Iolite 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 Cancrinite and Cordierite Iolite chemical formula.

Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare White Gemstones

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Cancrinite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cancrinite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cancrinite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Cancrinite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.