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Kornerupine
Kornerupine

Spodumene
Spodumene



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Kornerupine
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Spodumene

Kornerupine and Spodumene Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.45
3.15-3.21
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Uneven, Subconchoidal, Gemstones (2009)
1.6 Cleavage
Good on {110}
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
1.7 Mohs Hardness
6.5
6-7
1.8 Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
LiAlSi2O6

Kornerupine and Spodumene Chemical Formula

While comparing Kornerupine and Spodumene 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 Spodumene 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 Spodumene- LiAlSi2O6

Kornerupine and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.