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Rossmanite and Dumortierite Physical Properties


Dumortierite and Rossmanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3   
3.26-3.41   

Fracture
Brittle, Metallic   
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
None   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
Not Available   
7-8.5   

Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
AlAl6O3BSi3O18   

Optical Properties >>
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Rossmanite and Dumortierite Chemical Formula

While comparing Rossmanite 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 Rossmanite and Dumortierite chemical formula.

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Rossmanite and Dumortierite Specific Gravity

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

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