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Cordierite and Chrome Tourmaline Physical Properties


Chrome Tourmaline and Cordierite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.57-2.66   
2.85-3.35   

Fracture
Subconchoidal, Conchoidal, Brittle   
ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Fair on {100}, poor on {001} and {010}   
3,2   

Mohs Hardness
7-7.5   
7-7.5   

Chemical Composition
Mg2Al4Si5O18   
Tourmaline is a series of several different minerals with unique chemical formulas.   

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Cordierite and Chrome Tourmaline Chemical Formula

While comparing Cordierite and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

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Cordierite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.

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