Close to 200 miners at mines run by Hudbay Minerals (TSX, NYSE:HBM) in Manitoba, Canada walked off the job over the weekend.

Unlike other precious gems, high-quality synthetic diamonds can only trade at around a 2 to 20 percent discount to naturally-mined stones.

Newmont Mining (NYSE:NEM) has sold its only mine in New Zealand, the Waihi gold mine, to OceanaGold (TSX, ASX:OGC), the companies announced last Thursday.

Protesters held placards that read, "Hands off our brown coal", and "We oppose the social blackout in our region".

Three miners died last week in Ghana after inhaling toxic fumes while underground.

A new adversary is emerging for coal. It comes from silicon wafers, the material used to make solar panels.

Rubicon Minerals (TSX:RMX) advanced 4.5 percent on Friday after the company released an update on its Phoenix Gold Project in Red Lake, Ontario.

Hudbay Minerals (TSX, NYSX:HBM) has purchased the idled Snow Lake project in Manitoba, adding to its stable of properties in the Canadian province of Manitoba.

Shares climb 40 percent on take-over announcement.

Four months after shutting down its Bloom Lake iron ore mine as part of a plan to exit Eastern Canada amid low commodity prices, U.S. miner Cliffs Natural Resources (NYSE:CLF) is about to divest itself of more Canadian assets.

Atlas Iron is shutting down its operations due to low iron ore prices, the company announced on Friday.

Iron ore producers and investors aren't the only ones getting hurt by the continuing weakness in the iron ore price.