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Cordierite
Cordierite

Hyalite
Hyalite



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Cordierite
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Hyalite

Cordierite and Hyalite 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
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Cordierite and Hyalite Chemical Formula

While comparing Cordierite and Hyalite 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 Hyalite chemical formula.

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Cordierite and Hyalite Specific Gravity

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