It may be as long as two meters. Often you can find it near the eruptive vent. Pele's Tears are droplets of lava. They look like teardrops, so it called Pele's Tears. It is another form of volcanic glass.
Pumice is a gaseous froth, formed by the expansion of gas in lava.
It is light in color and sizes range between of pea size and larger. Volcanic Bombs are large coconut size blocks of lava. It forms when a dense of molten is thrown out of the volcano. It produced by extreme vesiculation of basalt and it mixes with air. Reticulite has 98 percent of open space.