The oval-shaped tourmaline measures 12.08 x 8.31 x 6.88 mm and weighs 4.98 carats. A GIA Laboratory report # 1156344713 dated April 3, 2013 stating Species Tourmaline, No Indications of Heating, Copper and Manganese Bearing, accompanies the stone.
Estimate: $1,000 - $1,500.
Gem Type: Tourmaline
Gem Certification No: 1156344713
Gem Lab: GIA
Gem Average Clarity: Good
Gem Shape: Oval-shaped
Gem Count: 1 - 25
Overall Condition: Very Good
Notes: This copper and manganese bearing tourmaline may be called "paraiba tourmaline" in the trade.
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