Kornerupine and Ajoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Decomposed by acids
Durability
Not Available
Not Available
Specific Gravity
3.25-3.45
2.96
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Not Available
Cleavage
Good on {110}
Perfect on {010}
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Kornerupine and Ajoite Chemical Formula
While comparing Kornerupine and Ajoite 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 Ajoite 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 Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Kornerupine and Ajoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Kornerupine and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.96 whereas that of Ajoite is 2.96.