Turquoise is primarily made up of copper, so it's not a big surprise ... and to enhance their beautiful art forms — from sandpaintings to jewelry. Its rarity and beauty continue to make it ...

The result of this slow, sedimentary process is what the Gemological Institute of America (G.I.A.) has described as “a porous ...

The mass production of jewelry has undercut the art of unique, long-lasting accessories by cutting corners during production, ...

Turquoise Hill Resources Headquartered ... Copper also is used to strengthen the gold and silver in jewelry. Like other materials and metals, however, copper stocks are considered cyclical stocks, ...

2-Year U.S. Treasury Note Continuous Contract $104.328 0.023 0.02% 5-Year U.S. Treasury Note Continuous Contract $110.313-0.094-0.08% 10-Year U.S. Treasury Note Continuous Contract $114.828-0.250 ...

The Oscars. Some of the pieces worn by Ms. Minnelli have seen a lot. Liza Minnelli has been wearing cuffs and other jewelry by Elsa Peretti, whom Ms. Minnelli met through the fashion designer ...

Invest in copper ETFs to capitalize on the rising demand from electric and renewable energy sectors. Choose mining-focused ETFs for long-term growth beyond just the rise in copper prices.

In some cases, copper may be quoted per metric ton, which is useful for large-scale industrial transactions. This is particularly common in global markets where larger quantities are standard.

Commissions do not affect our editors' opinions or evaluations. If you own fine jewelry, like an engagement ring or a luxury watch, it’s important to protect your pieces with the best jewelry ...

This September weekend brings Native American, Scottish, potato, fossil, wine and beer festivals to Colorado, plus 6 college ...

Commodities have declined in the third quarter, marked by hefty losses in oil and copper, as downbeat economic data from China and the U.S. fuel worries about a slowdown in demand. “Right now ...

Jewelry insurance can help you replace a lost item or even cover repairs. While homeowners insurance and renters insurance usually cover valuables, even when outside of the home, most have a limit ...