00509naa#a2200157#i#450# EN\\bibl\46988 20241124191959.7 1681-1208 20060625b2006####ek#y0engy0150####ca RU Typomorphic features of Cr-spinel and mineralogical prospecting guides for Cr ore mineralization Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2006 18 с. Journal article local Makeyev A B rjes.ru