Since at least December 2017, a photograph of an impressively tall geode has bounced around the blogophere, almost always credited to a company called Nowar Minerals Inc. and accompanied by the ...

The geological history that led to the formation of giant crystals and a 36-foot geode has been revealed by scientists. By looking at the abandoned mine where the geode of Pulpí was found, they were ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Discovered in 1999 during mining operations in the Mina Rica (the ...