An otolith (‹See Tfd›Greek: ὠτο-, ōto- ear + λῐ́θος, líthos, a stone), also called statoconium, otoconium or statolith, is a calcium carbonate structure...

shape, size and composition may be very varied. As examples we can cite otolites (compounds of the vestibular system of the inner ear) and the calculi resulting...