Nebraska Blue Chalcedony''

Nebraska State Stone aka Blue Chalcedony or Blue Ledge Agate. It's a seam agate that has clear and dark blue/black Chalcedony. Not always though as these slabs consists of 2 seams together with one of them being in brown highlights. Beautiful slabs.  -WET pic.-2x(3.5"x 1.5"/3.4 oz./7mm thk)  no fractures