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Cordierite Iolite
Cordierite Iolite

Faustite
Faustite



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Cordierite Iolite
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Faustite

Cordierite Iolite and Faustite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.56-2.66
Uneven, ConchoidalWalter Schumann
Distinct
7-7.5
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
 
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-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Cordierite Iolite and Faustite Chemical Formula

While comparing Cordierite Iolite and Faustite 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 Faustite chemical formula.

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Cordierite Iolite and Faustite Specific Gravity

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