Miners in Uruguay recently made a once-in-a-lifetime type of discovery when they uncovered a set of identical geodes shaped in a heart. A geode is a rock that contains a hollow cavity lined with ...

vibrant amethyst, UV-reactive yooperlites, and perfect geodes cracked open to reveal their sparkling secrets. Let’s take a closer look at nature’s hidden treasures. Officials in rural Texas ...

World-class amethyst-agate geodes from Los Catalanes, Northern Uruguay: genetic implications from fluid inclusions and stable isotopes. Mineralium Deposita , 2024; DOI: 10.1007/s00126-024-01310-2 ...

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!) ...