This striking large amethyst geode from Ametista do Sul, Brazil, reveals a glittering interior lined with large, well-formed crystals of excellent clarity and a rich, vibrant purple hue. Each point catches the light beautifully, giving the geode a depth and sparkle that makes it a true statement specimen. It features a nice wide opening for viewing and robust sturdy walls packed full of thousands of large crystal points. Formed over 135 million years ago within volcanic rock, this geode began as a hollow cavity in ancient lava flows. Over time, silica-rich fluids seeped in, slowly crystallising into the amethyst we see today. The result is a natural time capsule — both a display of geological wonder and a collector’s treasure. Perfect as a centerpiece for a collection, a display in the home, or a teaching specimen, this geode carries with it not just beauty, but deep history. No two are ever the same — making this cavern a unique, one-of-a-kind addition. Specimen Details: Dimensions: H23cm W30cm D16 cm Weight: 10.3 kg Origin: Ametista do Sul, Rio Grande do Sul, South Brazil Geological Age: ~ approx 135 million years (Cretaceous Period) Provenance: Previously exported directly from Brazil. Ships from the UK.