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Dumortierite and Stichtite Physical Properties


Stichtite and Dumortierite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.26-3.41   
2.11-2.20   

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

Cleavage
Distinct on {100}, poor on {110}; parting on {001}   
Perfect on {0001}   

Mohs Hardness
7-8.5   
Not Available   

Chemical Composition
AlAl6O3BSi3O18   
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Dumortierite and Stichtite Chemical Formula

While comparing Dumortierite and Stichtite 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 Stichtite chemical formula.

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Dumortierite and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.

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