The rarest gemstones are the most valuable, and usually the most beautiful as well. This is very true of the spectacularly rare and stunningly beautiful Paraiba tourmaline. It was in 1987 that Hector Barbosa, an audacious modern-day explorer had the gut feeling that something rare and beautiful lay hidden beneath Paraiba Hill, a spot near […]
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Spotlight On: Paraiba Tourmaline
