Emerald and Kornerupine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
3.25-3.45
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Imperfect on the [0001]
Good on {110}
Chemical Composition
Be3Al2SiO6
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Emerald and Kornerupine Chemical Formula
While comparing Emerald and Kornerupine 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 Emerald and Kornerupine chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Emerald and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.
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