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Cordierite
Cordierite

Andesine
Andesine



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Cordierite
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Andesine

Cordierite and Andesine 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
 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8

Cordierite and Andesine Chemical Formula

While comparing Cordierite and Andesine 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 Andesine chemical formula.

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Cordierite and Andesine Specific Gravity

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