Miners discover a one-of-a-kind amethyst crystal inside a large basalt geode in the Santa Rosa mine in Uruguay’s Artigas ...

Geode Capital Management LLC trimmed its holdings in Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE – Free Report) by 0.5% during the fourth quarter, according to its most recent 13F filing with ...

Geodes are hollow rock formations often with quartz crystals, such as amethyst, inside. Amethyst geodes in Uruguay have been found in cooled lava flows, which date from the original breakup of the ...