The three-meter tall amethyst geode - a hollow rock filled with amethyst crystals - is the main attraction at the Crystal Caves at Atherton, southwest of Cairns. But it's now missing a bit after a ...

The geode Dave Clupper splits on this afternoon contains a much rarer Amethyst ... Dave and his wife Jill continue to search, ...

It also has large amethyst geodes from Brazil. Returning this year are the demonstrations on how to cut arrowheads and geodes or polish cabochons, which will take place outside the venue.

Some of the world's largest amethyst geodes come out of Artigas, Uruguay. The earth beneath this region is uniquely suited to producing amethyst. But other than size, what qualities do miners look ...