Every rockhound dreams of days like this! These are the greatest pieces I’ve ever uncovered, featuring flawless agates, vibrant amethyst, UV-reactive yooperlites, and perfect geodes cracked open to ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Fossils, purple geodes, and more are hitting the auction block ...
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 ...
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