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 Barra Do Salinas District, Brazil
from Barra do Salinas District, Brazil — elbaite with green-pink zoning, scepter terminations, and Barra-style clarity prized by collectors.Barra do Salinas District
A collector's guide to Barra do Salinas District, Brazil: its geology, mining history and notable minerals, illustrated with the 136 specimens documented from this locality on EarthWonders.
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