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Feldspar
Feldspar

Dumortierite
Dumortierite



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Feldspar
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Dumortierite

Feldspar and Dumortierite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.753.26-3.41
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
two or three
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
6-6.57-8.5
Amber
2 10
1.8 Chemical Composition
Not Available
AlAl6O3BSi3O18

Feldspar and Dumortierite Chemical Formula

While comparing Feldspar 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 Feldspar and Dumortierite chemical formula.

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  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Feldspar and Dumortierite Specific Gravity

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