Worries about Europe's sovereign-debt crisis sparked a wave of selling in the gold market, pushing prices briefly below the $1,600 mark and to their lowest settlement price in four months.

Franco-Nevada Corp. had a good quarter, more than doubling profits and hiking revenues by 44%.

"Martian Pink," the biggest pink diamond ever to appear at an auction, is expected to fetch more than $8 million dollars when it is sold at Christie's Magnificent Jewels Spring Sale on May 29 in Hong Kong, reports KeycTV.

The Antwerp World Diamond Centre (AWDC) and DODAQ have launched a new global online exchange for polished diamonds called DIAMDAX (Diamond Dealers Automated Exchange).

Bad news slammed the markets today as worries about Europe caught up to traders.

Canadian diamond producer Lucara Diamond Corp announced today that production from its recently inaugurated Karowe mine in Botswana could be available for sale in June.

Hecla's Q1 net income was off 71% to $12.4 million due to a production suspension at Lucky Friday Mine, increased exploration expenses and other one-time charges.

Gold imports to China from Hong Kong were up 59% in March, according to the Hong Kong Census and Statistics Department.

Forget about carbon emissions and greenhouse gases (GHGs) emitted by humans. Sauropods — the long-necked, long-tailed dinosaurs that included some of the largest terrestrial animals ever known— could have been the first to warm the Earth's climate thanks to their massive amounts of methane-producing flatulence, says Tuesday's edition of Current Biology.