Rockhounding in Tocantins

5 researched sites, each with an access tier, evidence tier and site history.

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Almas greenstone gold district · gold · Restricted
Arraias historic gold diggings · gold · Gray area
Cristalandia / Porto Nacional amethyst-emerald · gem · Gray area
Cristalândia rock-crystal fields · gem · Permission required
Natividade gold town · gold · Gray area