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Dumortierite
Dumortierite
☒

Star Sapphire
Star Sapphire
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Dumortierite
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Star Sapphire

Dumortierite and Star Sapphire 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
 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.

Dumortierite and Star Sapphire Chemical Formula

While comparing Dumortierite and Star Sapphire 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 Star Sapphire chemical formula.

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Dumortierite and Star Sapphire Specific Gravity

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