Scapolite and Dumortierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.58-2.74
3.26-3.41
Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
{100} Distinct, {110} Distinct
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
5.5-6
7-8.5
Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
AlAl6O3BSi3O18
Scapolite and Dumortierite Chemical Formula
While comparing Scapolite 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 Scapolite and Dumortierite chemical formula.
- Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Scapolite and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scapolite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.