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Cordierite
Cordierite

Sphene
Sphene



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Cordierite
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Sphene

Cordierite and Sphene 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
 
-
-
-
-9999
-
Perfect
-9999
CaTiSiO5

Cordierite and Sphene Chemical Formula

While comparing Cordierite and Sphene 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 Sphene chemical formula.

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Cordierite and Sphene Specific Gravity

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