Six Yamato-74 chondritic meteorites have been classified, based on iron contents of olivines and orthopyroxenes in their small fragments. The results are as follows : Yamato-74193,-74498 and -74507 are H4-chondrites, Yamato-74367 and -74603 are L4-chondrites, and Yamato-74454 is L5-chondrite
