Cordierite Iolite and Rutile Physical Properties

Cordierite Iolite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.664.20-4.30

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

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

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

Cordierite Iolite and Rutile Chemical Formula

While comparing Cordierite Iolite and Rutile 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 Rutile chemical formula.

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

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Cordierite Iolite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.