Stalactite Agate with Botryoidal Chalcedony Surface - Uruguay

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The surface of this one is botryoidal chalcedony, a whole field of tiny rounded bubbles that built up drop by drop over a very long time, and you will want to run your thumb across it. It is a stalactite agate out of Uruguay, cut across a formation that grew downward from the roof of a cavity, which is why the banding radiates out from a center instead of running in parallel stripes. Every piece forms differently. This specimen measures approximately 3.5 inches wide. Show more