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Dumortierite
Dumortierite

Goethite
Goethite



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Dumortierite
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Goethite

Dumortierite and Goethite 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
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Dumortierite and Goethite Chemical Formula

While comparing Dumortierite and Goethite 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 Goethite chemical formula.

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Dumortierite and Goethite Specific Gravity

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