bright ice Ideal_Rock Premium Joined May 14, 2010 Messages 4,333 May 31, 2011 #1 Just curious, is it more difficult to find? What would the more rare tourmaline be?
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H Harriet Super_Ideal_Rock Joined Jul 7, 2006 Messages 12,823 May 31, 2011 #2 Yes. The last major find was the Nigerian one of 2009, which produced fewer gems than originally thought. Paraiba tourmaline is rarer yet.
Yes. The last major find was the Nigerian one of 2009, which produced fewer gems than originally thought. Paraiba tourmaline is rarer yet.
Pandora II Ideal_Rock Joined Aug 3, 2006 Messages 9,613 Jun 1, 2011 #3 Be warned that a lot of it is irradiated and there is no way of telling if the colour is natural or not. Ditto for heated paraiba tourmaline. I've heard that they can improve colour at very low temps that don't alter inclusions.
Be warned that a lot of it is irradiated and there is no way of telling if the colour is natural or not. Ditto for heated paraiba tourmaline. I've heard that they can improve colour at very low temps that don't alter inclusions.