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Iron mine in Itabira, Minas Gerais. Mining in Brazil is centered on the extraction of iron (the second largest global iron ore exporter), copper, gold, aluminum (bauxite-one of the 5 biggest world's productors), manganese (one of the 5 biggest world's productors), tin (one of the biggest world's productors), niobium (concentrates 98% of the known niobium reserves in the world), and nickel.
The new type of tourmaline, which soon became known as paraiba tourmaline, came in blue and green. Brazilian paraiba tourmaline usually contains abundant inclusions. Much of the paraiba tourmaline from Brazil does not actually come from Paraíba, but the neighboring state of Rio Grande do Norte. Material from Rio Grande do Norte is often ...
In 1876, the Escola de Minas (Mines School) was created. This school established the technological foundation for several of the mineral discoveries in Brazil. Ouro Preto was the capital of Minas Gerais from 1720 until 1897, when the needs of government outgrew this town in the valley.
Originally discovered in the 1980s in a now-exhausted mine in the Brazilian state of Paraiba, this once-niche variety of tourmaline is distinctive for its electric turquoise color, the result of ...
This is a list of mines in Brazil organized by mineral. Bauxite. Paragominas mine — Par á; Gold. Chapada — ...
The collapse of Vale's Brumadinho iron ore tailings dam in Brazil was both shocking and devastating in its impact. It was the 11th serious tailings dam failure in the last decade and such ...
Earlier this month, Reuters reported that Brazilian mining giant Vale and Australia's BHP, together with their joint venture Samarco, could soon reach a deal to pay around 100 billion reais ($18.2 ...
Minas Gerais continues to mine diamonds, in addition to having larger or smaller scale productions of agate, emerald, garnet, jasper and sapphire. Topaz and tourmaline stand out. In topaz, Brazil has the most valuable variety in the world, imperial topaz, only produced in Ouro Preto. Furthermore, the country is the world's leading producer of ...