Realgar and Dumortierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.56
3.26-3.41
Fracture
(e.g. graphite).
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
{010} Good
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
Not Available
7-8.5
Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
AlAl6O3BSi3O18
Realgar and Dumortierite Chemical Formula
While comparing Realgar 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 Realgar and Dumortierite chemical formula.
- Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Realgar and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Realgar and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.