Type : 1 LB of rocks.
Approx Size: 1/2 to 2 inch size
Typical Use: Rock polishers / tumblers, craft projects, treasure hunts, collections.
Information: Agates mostly occur as nodules in volcanic rocks or waters containing silica in solution possibly derived from the decomposition of silicates in the lava. The siliceous matter is deposited in regular layers resulting in the banded or striped formation