Cordierite Iolite and Ceylonite Physical Properties

Cordierite Iolite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.663.63-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Cordierite Iolite and Ceylonite Chemical Formula

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

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Cordierite Iolite and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.