Rockhounders can find all kinds of gemstones across the United States, but there are certain places where geodes can be found ...

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 ...

Iowa’s state rock is all over the state’s southeast corner, but to find one you need to know someone. “There’s tons of geodes over here, but nobody has opened it up to the public,” said Kirk ...

Göttingen University researcher Fiorella Arduin Rode working in open pit mine of the study area, Los Catalanes mining district, northern Uruguay. Along with Ametista do Sul in southern Brazil, these ...

Any geode might make us wonder: What geologic forces form these hollows lined with crystals? But the Pulpí Geode, discovered in an abandoned Spanish mine, takes wonder to a different scale. One of the ...