volcanic blocks
Volcanic blocks are massive rocks that are shot out of a volcano and can land on people. they can weight up to 15 tons.
volcanic bombs
Volcanic bombs are the mass of molten rock. They are formed when a volcano ejects viscous fragments of lava. They cool into solid fragments before reaching the ground.
lapilli
Lapilli means "little stone" in Latin. It has to be 2.5 inches or less otherwise it is classified as a volcanic bomb or block.The lapilli is basically a small rock that has shot of a volcano.
volcanic ash
Volcanic ash is made of minerals and volcanic Glass. It is created during volcano activity. Volcanic ash has small particles that are LESS THAN 2 mm!!!!!!!