If you want to walk around in the world's largest geode, head to this island in Lake Erie in Ohio and get ready for an ...

New research from the University of Göttingen reveals that amethyst geodes in Uruguay formed at low temperatures from ...

Slowly, these minerals crystallize, forming a dense lining of quartz or other silicates that can include a variety of crystals like amethyst, calcite or celestite. When a geode splits open ...

Giant amethyst geodes formed within a steady groundwater flow and at unexpectedly low crystallization temperatures, new study ...

Göttingen University researcher Fiorella Arduin Rode working in open pit mine of the study area ... is a key economic ...

A research team at the University of Göttingen, Germany, reported on its investigation into just exactly how amethyst forms ...

A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

THE artist behind one of the world’s longest treasure hunts has launched a second tricky puzzle to try and unlock a £650,000 ...

Amethyst is a violet variety of quartz that has been used as a gemstone for many centuries and is a key economic resource in ...

You can take the geodes to Clint, who will break them open for 25g. Or, you can use a Geode Crusher to open them yourself.

National Geographic's geode kit comes with 10 premium rocks that crack open to reveal 100% natural geodes. Crystals range in colors from tan to blue and purple and can be as big as a tennis ball.

The Humble Planet DLC brings a new world to terraform in The Planet Crafter, and it has a few new rules and biomes players ...