The European Union announced on Tuesday the imposition of sanctions against state-owned Iranian oil and gas firms in response to Tehran's ongoing nuclear ambitions.

The Archduke Joseph diamond, a storied gemstone weighing more than 76 carats, is expected to fetch over USD$15 million when auctioned by Christie's in Geneva this November.

A Wisconsin man has a found a 1.2 carat diamond while panning for gold in the refuse of a friend's freshly drilled well.

In addition to its importance for human civilization as an industrial metal, copper also plays a vital role in the human immune system as a killer of foreign microbes.

A survey of Queensland's coal miners reveals that new royalty hikes have compelled many to pursue cost cuts and implement worker retrenchments.

The death of a Chinese gold miner in Ghana as well as the arrest of over 90 of his compatriots and colleagues has triggered a strong response from Beijing.

Anglo America's (NYSE:AAL) Kumba Iron Ore announced on Monday that it had fired almost 300 workers in South Africa for participating in an illegal strike and commandeering millions in company equipment.

South African police have arrested 72 miners from the Gold Field's (NYSE:GFI) KDC Kloof mine following violent clashes at a protest near Johannesburg.

The CEO of Australia's Macmahon Holdings (ASX:MAH) expects gold to continue performing well despite the weak outlook for the mining sector in general.

France's International Energy Agency has painted a fresh picture of the international crude oil industry which foresees major changes to regional focus and distribution.

Chinese imports of iron ore hit a 20-month peak in the month of September with steelmakers engaging a buying spree as spot prices bottomed out.

A German financial engineer claims recurring anomalies in the movements of gold prices prove that systemic intervention is taking place.