'''Lapilli''' are rock fragments between 0.08 and 2.5 inches (2 and 64 mm) in diameter that were ejected from a [[volcano]] during an explosive eruption. Lapilli (singular: lapillus) means "little stones" in Italian. Lapilli may consist of many different types of [[tephra]], including [[scoria]], [[pumice]], and [[reticulite]]. | '''Lapilli''' are rock fragments between 0.08 and 2.5 inches (2 and 64 mm) in diameter that were ejected from a [[volcano]] during an explosive eruption. Lapilli (singular: lapillus) means "little stones" in Italian. Lapilli may consist of many different types of [[tephra]], including [[scoria]], [[pumice]], and [[reticulite]]. |