Ulexite and Dumortierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.65-1.99
3.26-3.41
Fracture
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
{010} Perfect, {110} Perfect
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
2-2.5
7-8.5
Chemical Composition
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
AlAl6O3BSi3O18
Ulexite and Dumortierite Chemical Formula
While comparing Ulexite 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 Ulexite and Dumortierite chemical formula.
- Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Ulexite and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ulexite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.