This article describes the author's visits to three of Brazil’s most important mining areas: Marabá, Pau d’Arco, and Rio Grande do Sul. Each represents a different geologic environment and, therefore, ...

Most of the cat’s-eye chrysoberyls on the gem market today come from Brazil, primarily from the region around the Americana and Santana valleys. This article examines some of the more important mines ...

The nickel facility will produce 60,000 tonnes (t) of contained nickel in mixed hydroxide precipitate (MHP) annually, ...

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

Amid global economic uncertainty and inflation levels, investing in sound gold mining stocks appears to be a smart strategy ...

The Carnaíba mine has produced five “giant emeralds ... Saraiva has died. Brazil ordered the gem’s forfeiture and invoked the Mutual Legal Assistance Treaty, a diplomatic accord that ...

He also loved gem mines, the places where you go to sift through a bucket of rocks. Places where you are guaranteed to find some treasure less most often less valuable than the money you paid for it.

Each month has at least one representative gemstone. Here's what you need to know about November's birthstones.

Gemological Science International (GSI), a global leader in gemmological education and laboratory services, recently organised an insightful mine visit for students enrolled in its prestigious Colored ...

SAO PAULO (AP) — Brazil's federal government on Friday reached a multibillion-dollar settlement with the mining companies responsible for a 2015 dam collapse that the government said was the ...

The Brazilian government signed a compensation deal with BHP and Vale over the 2015 disaster, which caused multiple deaths and huge environmental damage. The cave-in, at an iron ore mine in the ...