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Brookite
Brookite

Cordierite Iolite
Cordierite Iolite



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Brookite
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Cordierite Iolite

Brookite and Cordierite Iolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.87-4.14
Subconchoidal, Conchoidal
Poor on {120}, in traces on {001}
5.5-6
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.56-2.66
Uneven, ConchoidalWalter Schumann
Distinct
7-7.5
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Brookite and Cordierite Iolite Chemical Formula

While comparing Brookite 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 Brookite and Cordierite Iolite chemical formula.

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Brookite and Cordierite Iolite Specific Gravity

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