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

The new logo for Visit Arizona, the 48th US state's tourism office, lands in the latter group, and it bucks the minimalist ...

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 ...

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, ...

The new visual brand is chock-full of state symbols. Can you spot them? Arizona is known as the Grand Canyon State, but its ...

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

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

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.

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 world’s surplus of refined copper quadrupled in the first half of 2024 compared to a year ago following a growth in production and recovery in mine output, preliminary data from the ...

Soil drilled near the Giza necropolis had levels of copper far higher than what's natural. © Vincent Brown via Flickr The construction of Egypt’s famed Giza ...