Moss Agate tower

Moss agate isn't actually moss or technically an agate. It is a variety of chalcedony, belonging to the quartz family. The spreading moss-like dendritic inclusions you see in moss agate are mostly oxides of manganese or iron.

Tower A:  3.5" tall

Tower B:  3.25" tall

Tower C:  3.5" tall

Tower D:  3.25" tall

Tower E:  3.25" tall

Tower F:  3.5" tall

Tower G:  3.5" tall

Tower H:  3.5" tall