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Cordierite
Cordierite

Prase
Prase



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Cordierite
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Prase

Cordierite and Prase 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
 
-
-
-
2.64-2.69
-
None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Cordierite and Prase Chemical Formula

While comparing Cordierite and Prase 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 Prase chemical formula.

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Cordierite and Prase Specific Gravity

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