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Dumortierite and Dolomite Physical Properties


Dolomite and Dumortierite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Poorly soluble in dilute HCl   

Durability
Not Available   
Not Available   

Specific Gravity
3.26-3.41   
2.80-2.95   

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

Cleavage
Distinct on {100}, poor on {110}; parting on {001}   
Perfect on {10 1 1}, rhombohedral cleavage   

Mohs Hardness
7-8.5   
3.5-4   

Chemical Composition
AlAl6O3BSi3O18   
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Dumortierite and Dolomite Chemical Formula

While comparing Dumortierite and Dolomite 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 Dumortierite and Dolomite chemical formula.

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Dumortierite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.

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