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Chrome Tourmaline and Dumortierite Physical Properties


Dumortierite and Chrome Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.26-3.41   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
3,2   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
7-7.5   
7-8.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
AlAl6O3BSi3O18   

Optical Properties >>
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Chrome Tourmaline and Dumortierite Chemical Formula

While comparing Chrome Tourmaline and Dumortierite 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 Chrome Tourmaline and Dumortierite chemical formula.

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Chrome Tourmaline and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.

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