NAME ORIGIN: Named in 1987 by Togari and Akasaka for the Sea of Okhotsk, along which the mine is located. LOCALITY: From the Kokuriki mine, at Hiyoshi, about 20 km north of Kitami City, Hikkaido, Japan.
Oldhamite (Ca,Mg,Fe)S Valid Species (Pre-IMA) 1862
NAME ORIGIN: Named for Thomas Oldham (1816-1878), Director of the Indian Geologial Survey (185o-1876).
NAME ORIGIN: Named for Olekminsk, Russia, administrative center for the district in which the Kedrovyi massif is located. LOCALITY: Kedrovyi massif, five km southeast of the Murun massif, Aldan Shield, Sakha, Russia.
Olenite NaAl3Al6(BO3)3(Si6O18)(O,OH)4 Approved IMA 1986 (Dana # Changed)
NAME ORIGIN: Named for the locality. LOCALITY: Decembrist pegmatite field, Olenik River Basin, Russia.