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Chlorastrolite
Chlorastrolite

Cordierite
Cordierite



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Chlorastrolite
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Cordierite

Chlorastrolite and Cordierite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.1-3.5
Granular
None
5-6
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

Chlorastrolite and Cordierite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Cordierite chemical formula.

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Chlorastrolite and Cordierite Specific Gravity

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