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Cordierite
Cordierite

Wardite
Wardite



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Cordierite
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Wardite

Cordierite and Wardite Physical Properties

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
 
-
-
-
2.81
Conchoidal
{001} Perfect
4.5-5
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Wardite Chemical Formula

While comparing Cordierite and Wardite 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 Wardite chemical formula.

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Cordierite and Wardite Specific Gravity

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