Product details
100% Natural – Not treated in any way.
Rare Collectors Gem
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Refractive Index: 1.665 – 1.683
Hardness: 6.50
Chemical Comp: Mg4 (Al, Fe)6(Si, Al, B)5O21(OH),
Density: 3.25 – 3.35
Crystal Group: Orthorhombic
Kornerupine is a rare gem; Sri Lanka is the main source country. This gem is pleochroic and comes in Green brown and yellow green.
 
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