Dumortierite and Scolecite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
2.20-2.23
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {110} and {1 1 0}
Mohs Hardness
7-8.5
5-5.5
Chemical Composition
AlAl6O3BSi3O18
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Dumortierite and Scolecite Chemical Formula
While comparing Dumortierite and Scolecite 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 Scolecite chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Dumortierite and Scolecite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.