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Pyrope
Pyrope

Cordierite
Cordierite



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Pyrope
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Cordierite

Pyrope and Cordierite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

Pyrope and Cordierite Chemical Formula

While comparing Pyrope and Cordierite 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 Pyrope and Cordierite chemical formula.

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Pyrope and Cordierite Specific Gravity

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