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Lucapa recovers 195-carat diamond from Lulo mine

The mine, which hosts the world’s highest dollar-per-carat alluvial diamonds, began commercial production in January 2015. Only a year later, it delivered the largest ever diamond recovered in Angola — a 404-carat white stone later named the “4th February Stone”. Lucapa has a 40% stake in the...

New process recovers five times more lithium from waste than existing technology

“The key advantage is that it works in a wider pH range of 5 to 11 compared to other direct lithium extraction methods,” Parans Paranthaman, ORNL Corporate Fellow and co-author of the papers that present these findings, said in a media statement.  The patent-pending acid-free...