AM_Okanoganite-(Y) Formula: Ce4.41 Y7.56 Ca2.64 Th.39 (Fe.77 Ti.23) Si6.4 B3 P.6 Na O38 F10 H4 Name: Okanoganite-(Y) Unit cell: 10.7108 10.7108 27.0398 90.0 90.0 120.0 , V=2686.44 Space group: R3M (160)

Boiocchi M , Callegari A , Ottolini L , Maras A , American Mineralogist , 89 (2004) p.1540-1545, The chemistry and crystal structure of okanoganite-(Y) and, comparison with vicanite-(Ce), Sample: Golden Horn batholith near Washington Pass, Okanogan County