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Dumortierite
Dumortierite
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Brazilianite
Brazilianite
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Dumortierite
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Brazilianite

Dumortierite and Brazilianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26-3.41
Fibrous, ConchoidalWalter Schumann
Distinct on {100}, poor on {110}; parting on {001}
7-8.5
AlAl6O3BSi3O18
 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Dumortierite and Brazilianite Chemical Formula

While comparing Dumortierite and Brazilianite 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 Brazilianite chemical formula.

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Dumortierite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite Vs Brazilianite during the identification of gemstone. Specific gravity of Dumortierite is whereas that of Brazilianite is .