Column
A speleothem formed when a stalactite and a stalagmite meet.
Deposit
A natural occurrence of mineral material, such as an iron ore deposit; or in the vocabulary of the speleologist, any cave formation originating from deposition.
Drapery
Hanging speleothem in the form of a curtain or drape.
Dripstone
A calcite deposit left by dripping water.
Flowstone
A calcite deposit left by flowing water along a cave wall or floor.