Calcite is a block that has been in Minecraft since the 1.17 Caves & Cliffs update. During this time, it has found its special place within the infinite world. Primarily used as a decorative block, ...

Amethyst geodes are one of Minecraft's newest additions, thanks to the 1.17 Caves & Cliffs update. They are natural underground structures that provide materials such as amethyst, smooth basalt, and ...

Amethyst geodes—some stretching 5 m long—dot the ancient lava flows of Uruguay’s Los Catalanes mining area. The geodes contain calcite, colorless quartz, and agate, another quartz mineral. Large ...

Researchers from the University of Göttingen have investigated an intriguing geological phenomenon in Uruguay. These scientists are trying to uncover the mysteries behind the formation of amethyst ...

You’re down below the surface, torch in hand, when the stone wall breaks and you see a purple glow. A chime echoes around you and bounces off all the crystals raining down like starlight. This isn’t a ...