Researchers from the University of Göttingen have investigated an intriguing geological phenomenon in Uruguay. These ...

Amethyst geodes in Minecraft are among the rarest and most valuable structures in-game. Players have dedicated hours searching for these geodes that contain the precious amethyst crystals ...

According to the IUGS, the deposit is “unique” because of its high number of mega-geodes and vast reserves as well as the gemstone quality and variety. Amethyst geodes (some over 16 feet high!) ...

Iron gives crystals a red or purple color, whereas titanium can create blue. Manganese can produce ... are celebrated for producing large amethyst geodes that dazzle with their deep purple crystals.

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 ...