People view the 12-foot tall amethyst geode from Uruguay hosted at the American Museum of Natural ... [+] History in New York. Thanks to geological surveys and detailed chemical analysis ...
[A_Steingrube] has posted a guide to his favorite method of copper electroplating. Plating copper onto other metals is popular with the steampunk crowd, but it does have other uses. Copper plate ...
(At one time, amethyst was also considered a precious gem, but large reserves were later found in Brazil, reducing its value.) Precious gems are formed in different ways and composed of different ...
Despite the plethora of injury hits the team has taken, they've been able to get by because both Brandon Ingram and Zion Williamson have been available. Unfortunately for the Pelicans, that streak ...
Traders refer to the price of physical copper as the spot price. Because these transactions are for immediate delivery, they’re settled on the spot. Copper spot prices are typically quoted in ...
AT A GLANCE • Increased demand for copper typically indicates a growing economy, just as a drop in copper demand can suggest an economic slowdown • Copper prices are now down more than 25% ...
A software company CEO was identified as the canyoneer who accidentally fell between 150 and 200 feet to his death while at the Zion National Park in Utah. The man, identified as 40-year-old ...
Copper, nickel and zinc all fell by more 1% on the London Metal Exchange as sentiment across China’s financial markets turned sour again. Copper is heading for its lowest close since late ...