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KORNERUPINE                         NATURAL COLOR                    Hardness 6.5 - 7
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2.04  cts. Kornerupine cushion single

7.7 x 7.5 mm. 

  Slightly included. Enhancement: none (N)

stone PRICE  

USD 250.00 

ORIGIN: Madagascar


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

Its cut is quite good but its polish is less good.

Inclusions are apparent, note their repartition over all the stone.

   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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