Kornerupine and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
3.25-3.45
2.65
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Good on {110}
Indiscernible
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
SiO2
Kornerupine and Amethyst Chemical Formula
While comparing Kornerupine and Amethyst 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 Kornerupine and Amethyst chemical formula.
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Amethyst- SiO2
Kornerupine and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Kornerupine and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.65 whereas that of Amethyst is 2.65.