Learn about Tourmaline
color range and crystal variety define a diverse group; top localities, value factors, quality assessment, and care tips for collectors.Tourmaline from Jonas Mine, Brazil
Jonas Mine, Brazil — premier tourmaline locality for deep red rubellite (elbaite) in pegmatites; famed specimens, iconic color, and strong collector appeal.Jonas Mine
A collector's guide to Jonas Mine, Brazil: its geology, mining history and notable minerals, illustrated with the 243 specimens documented from this locality on EarthWonders.
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