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Variscite and Cordierite Physical Properties


Cordierite and Variscite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.42-2.58   
2.57-2.66   

Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle   
Subconchoidal, Conchoidal, Brittle   

Cleavage
[010] perfect   
Fair on {100}, poor on {001} and {010}   

Mohs Hardness
4-5   
7-7.5   

Chemical Composition
AlPO4 · 2(H2O)   
Mg2Al4Si5O18   

Optical Properties >>
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Variscite and Cordierite Chemical Formula

While comparing Variscite 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 Variscite and Cordierite chemical formula.

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Variscite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.

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