E01 - Paraiba Tourmaline - Takes the center stage on the world market
Kat Florence Presents-Journey To The Stone With Don Kogen by Don Kogen World renowned gem hunter Don Kogen discusses the rare, evocative Paraiba tourmaline. Named after the state of Paraíba in Brazil, where much of the stone is found, this tourmaline is one of nature’s rarest geological phenomena. It is also found in Mozambique and Nigeria. Due to unusually high copper concentrations, the luminous gemstone h ... See more
May 03 2022