Agate is a banded form of chalcedony, formed layer by layer in cavities of volcanic rock, in endless colours and patterns.
In the trade catalogue: 7 palmstones, 6 hearts, 5 rough, 5 tumbled stones, 4 bowls, 4 carvings, 3 slabs, 2 pendants, 2 spheres, 2 towers.
Buying for yourself? Agate at eartheditions.co