A stalactite (Greek stalaktites, (Σταλακτίτης), from the word for "drip" and meaning "that which drips")'s a type of speleothem (secondary mineral) that hangs from the ceiling or wall of limestone caves. It's sometimes referred to as dripstone. Formation and type Stalactites are formed by the deposition of calcium carbonate and other minerals, which's precipitated from mineralized water solutions. Limestone's calcium carbonate rock which's… (More on Stalactite)