Barra Verde Scheelite tailings
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Copyright 2001 - 2009 by    Wolfgang Hampel

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Nomen est omen - our base, the “Tungstenio Hotel” with “Scheelita Bar” in Currais Novos. The Barra Verde tailings and ancient ore treatment plant, seen from Mina Brejui.
The tungsten skarns were first mined in the 1940s, production continued until the 1980s.
The three majn mines of the region have left more than 10 Mio tonnes of tailings @ 0.15 % WO3.
The Barra Verde tailings are being retreated by for their scheelite and molybdenite Close-up view of tailings with garnet, diopside, calcite, minor scheelite, pyrrhotite, pyrite, molybdenite and chalcopyrite.
Shaking table at Barra Verde Close-up view of shaking table, the white parts contain mainly scheelite, followed by a mixture of sulfides with appreciable amounts of scheelite.
Flotation cell at Barra Verde, the bluish black mineral is molybdenite.
Molybdenite concentrate
A particularly coarse grained scheelite concentrate.