This is an agatized fossil coral head is from the Withlacoochee river bed in Georgia, USA. The coral originated in the Oligene-Miocene period which was 38 to 25 million years ago. The corals were in ocean beds containing silica rich fluids that, over time, replaced the dissolved calcium carbonate coral casts. This fossil coral “headhttps://borenandkingminerals.com/wp-admin/post.php?post=83&action=edit” has been cut in half exposing a core containing deposits of, botryoidal, stalactite-like, agate and chalcedony. The cut surface displays multiple bands and layers of silica replacement. It has been polished to a gem luster. This piece measures 12 x 5 x 4 1/2 inches or 30.4 x 12.7 x 11.6 cm.