✨BRAND NEW!!! Beautiful Polished Oco Agate from Brazil Geode 4 x 4 cm Oco geodes (or Ocho geodes) are small, 130-million-year-old agate nodules from the Serra Geral Formation in Brazil, typically found in the Tres Pinheiros region. Known for their thin, rope-like outer shell, these agate geodes (often 0.5–1.5 inches) contain hollow centers filled with quartz crystals, druzy, or agate "flame-like" patterns, usually in browns, tans, and grays. Source: Found in cascalho soil by farmers, primarily around Soledade, Brazil. Composition: Agate and chalcedony with inner Quartz or Amethyst crystals
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