Dumortierite and Jeremejevite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
3.28-3.31
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
None observed
Mohs Hardness
7-8.5
6.5-7.5
Chemical Composition
AlAl6O3BSi3O18
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Dumortierite and Jeremejevite Chemical Formula
While comparing Dumortierite and Jeremejevite 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 Jeremejevite chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Dumortierite and Jeremejevite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.