The magic of crystal formation had already been done by natural processes; all that was needed was a little slicing and dicing. As it turns out, though, quartz is so immensely useful for a ...

The ideal times to visit Quartz Canyon are during the spring and fall seasons when the weather is most conducive for hiking ...

They submerged quartz crystals in a gold-rich fluid and applied ... Our discovery provides a plausible explanation for the formation of large gold nuggets in quartz veins,” concludes Dr. Voisey.

Geodes are hollow rock formations often with quartz crystals, such as amethyst, inside. Amethyst geodes in Uruguay have been found in cooled lava flows, which date from the original breakup of the ...