a popular combination includes green fluorite, amethyst, red jasper, tiger’s eye stone, sodalite, rock quartz, and red aventurine. Some people believe that different healing crystals have ...

Pure quartz, or “rock crystal” from Brazil. Source: Didier Descouens, CC BY-SA 4.0 Pick up a rock almost anywhere on Earth and chances are pretty good that there’s at least some quartz in it.

Here’s how it works. Hundreds of fragments of a rare transparent type of quartz called "rock crystal" suggest Neolithic people used the mineral to decorate graves and other structures at a ...