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Cordierite
Cordierite

Rutile
Rutile



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Cordierite
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Rutile

Cordierite and Rutile Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18
 
-
Insoluble in acids
-
4.20-4.30
Uneven, Conchoidal
{110} good, 100 moderate, parting on {092} and {011}
6-6.5
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Cordierite and Rutile Chemical Formula

While comparing Cordierite 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 and Rutile chemical formula.

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Cordierite and Rutile Specific Gravity

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