Amethyst is a highly regarded crystal in Hinduism, often associated with spirituality, mental clarity, and emotional stability. This semi-precious stone is believed to carry strong healing powers, ...
Amethyst is a violet variety of quartz which has been used as a gemstone for many centuries and is a key economic resource in northern Uruguay. Geodes are hollow rock formations often with quartz ...
People view the 12-foot tall amethyst geode from Uruguay hosted at the American Museum of Natural ... [+] History in New York. Thanks to geological surveys and detailed chemical analysis ...