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[[Image:Lapilli.jpg|thumb|300px|This lapilli was erupted by Pu`u Pua`i (gushing hill) from the summit of Kilauea Volcano in 1959 and fell to the ground about 800 m downwind.]]

[[Image:Landrieu.jpg|thumb|300px|This lapilli was erupted by Pu`u Pua`i (gushing hill) from the summit of Kilauea Volcano in 1959 and fell to the ground about 800 m downwind.]]

'''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]].