These human-size crystals formed in especially strange ways. New clues into ancient climate shifts reveal the possible origin story of Spain's Pulpí Geode, one of the world's largest.

The Pulpí geode was discovered in 1999 within an abandoned mine in southeast Spain. To trace its origins, the research team conducted a study of the geology and geochemistry of the mine, including a ...

The World's Largest Geode Formed When the Mediterranean Sea Disappeared, New Study Reveals. News. By Brandon Specktor published 18 October 2019 Most geodes can fit in the palm of your hand.

The geode of Pulpí is thought to have formed between 600,000 and 2 million years ago. Hector Garrido. Exactly when the geode of Pulpí formed is not known, but it was at some point after the ...

The Pulpí Geode was formed in two different phases, starting six million years ago. At first percolating water dissolved the soluble limestone, creating a large cavity.

However, limited knowledge of how these geodes formed has made locating them challenging, relying largely on miners' experience. To address this, researchers conducted extensive geological surveys ...

Researchers have revealed the geological processes behind the formation of amethyst and agate geodes in Northern Uruguay’s Los Catalanes District, offering new insights into mineral composition ...

Mystery of Uruguay's amethyst geodes: New model to explain amethyst formation. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2024 / 10 / 241002135231.htm ...

A geode said to look like Cookie Monster from 'Sesame Street' is shown in this image from video posted Jan. 16, 2021. ... The semi-precious geodes form in nodules ...

How to cook a violent Viking stew—and a giant geode. Scientists discover recipes for some of the world’s toughest concoctions—and a way to burn off 6,000 calories without strenuous activity.

However, limited knowledge of how these geodes formed has made locating them challenging, relying largely on miners' experience. To address this, researchers conducted extensive geological surveys ...