Name: GREFSHEIM Place of fall: On the ice covering Lake Mjosa, Norway. 60°40'N., 11°00'E. Date of fall: Between January 25 and February 1, 1976. Class and type: Stone. Olivine-hypersthene chondrite (L5). Olivine Fa23.7. Number of individual specimens: A number of small fragments. Total weight: 45.5 g Circumstances of fall: The fragments, which could be assembled into a complete stone with fusion crust and flight markings, were found on the ice covering Lake Mjosa, 1.6 km from the shore at Grefsheim. The material is now in the MineralogicalGeological Museum, Oslo, Norway. Source