Rutile and Cordierite Iolite Physical Properties

Rutile

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.302.56-2.66

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

Not Available

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Rutile and Cordierite Iolite Chemical Formula

While comparing Rutile 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 Rutile and Cordierite Iolite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Red Gemstones

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Rutile and Cordierite Iolite Specific Gravity

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