Madagascar produces about half of the world’s high-end sapphires ... produces 5,000 to 7,000 carats a year. "Gemstone mining map" was originally created and published by Mining Technology ...

The Montepuez ruby mine in the north-east of Mozambique boasts the largest ruby asset globally and is currently valued at around $1bn. It produces some of the oldest rubies in the world ...

The myriad ways in which “inequality” is conceptualized around the world is as varied as the cultures and societies that inhabit it. At a macro level perhaps the greatest finding from the map ...

It’s a pivotal moment in the island’s history and it can serve as an example to failing grids around the world.” As economic incentives push Bitcoin mining to saturate the energy sector, a convergence ...

The new service, dubbed the World Digital Mining Map (WDMM), will create a directory of cryptocurrency mining farms and list the efficiencies of their energy sources, capacity of their facilities and ...

An aerial view of a tailings dam storing waste from a copper-mining operation in Chile At least 23 million people around the world live on flood-plains contaminated by potentially harmful ...