The Entre Rios mining district produces a large volume of amethyst geodes in underground mines and is part of the world class deposits in the Paraná volcanic province of South America. Two producing ...

Join me as I showcase my best rockhounding finds, featuring stunning agates, glittering geodes, vibrant amethyst crystals, glowing yooperlites, and beautiful calcite specimens. This collection ...

In this video my friends PaleoCris, and Rick (digdivediscover) team up with me to find Agatized Coral Geodes in a river in Georgia! This trip was nostalgic for me, because I grew up about 45 minutes ...

Reduced Tier 1; Cordillera Flow; Paraná Volcanic Province; Guarani Paleoaquifer; hydrothermalism; amethyst-geode mineralization This study focused on the Cordillera Flow along the border of BRA and UY ...

MOOSE LAKE, Minn. — On a cold, blustery day in April, Bel and I headed to the North Shore to meet up with a rock star named Taylor, or as he’s known on social media, “Agate Dad.” Taylor is famous in ...

Jaspers and cherts are the rocks most often confused with Lake Superior agates Lakers formed when mineral-infused solutions seeped into the gas bubbles of volcanic rocks Lake Superior agates are ...

In September, the Minneapolis City Council voted to allocate $1.5 million so the shelter could renovate and stay open. This week, however, the Minnesota Star Tribune reports Agate's board of directors ...

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 ...

There's something distinctly mysterious and cool about geodes... rocks hidden in plain sight that contain a astonishing array of crystals within, just waiting to be discovered. There are a lot of ...

Mineral deposits can create markings that look like forests or mountains, and experts say each stone is distinctive. By Jill Newman When Tarun Adlakha displays a dendritic agate, with its finely ...