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LOOSE KORNERUPINE               NATURAL COLOR              Hardness 6.5 - 7
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1.31 cts. Kornerupine trillion single

 7.9 x 7.8  x 4 mm.

Eye clean.. Enhancement: none (N)

stone PRICE    USD 206.00 

ORIGIN: Madagascar

ref:KOt131  

This kornerupine is overall greenish. The blue sparkles are light and visible when the stone is moving.

Its cut is quite good.

   Hardness: 6.5 - 7
   Specific Gravity: 3.29 - 3.34
   Refractive Index: 1.660 - 1.682 & 1.673 - 1.696  & 1674 - 1699 Kornerupine Data  
   Chemical Composition: Mg4Al6 ( (O,OH)2 I BO4 (SiO4)4 )
   Crystal Structure: Orthorombic
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