This Coyamito Agate halve is a fascinating structural specimen, showcased through a big window. It features irregular banding that contours around unique internal growth forms, specifically tubes and stalactites. These vertical mineral pillars represent silica that dripped or grew around organic "pipes" during the agate's formation, creating a highly dimensional interior. While the center is largely quartz-filled, it retains a small cavity that reveals the termination of the stalactite structures. With only minor fractures and a professional flat mirror polish, the specimen offers a crystal-clear view into this prehistoric volcanic pocket.