Australites from Australia are generally round, however there are other shaped found. Elongated flanged tektites are formed by similar processes as round ones. They return to Earth at speeds great enough to cause their front surface to melt and the liquid material to form a flange. They have ringwaves on their ablated surface. These are very rage tdktites and not many elongated flanged australites exist. So, even ones with partial flanges are very coveted after by collectors.