Oxides The structures of the hydrated U6 oxides, becquerelite, schoepite, billietite, masuyite, fourmarierite...or red and may be exhibited by epiianthinite, becquerelite, and soddyite. Thorium minerals also 1nay fluoresce...minerals Orange, orange red, amber Masuyite Becquerelite Billietite Curite Fourma,rierite Vandendriesscheite...deposit, Great Bear Lake, Canada; Gold.fields district, Canada) (Fig. '2.7). Brecciated pitchblende 111ay...Canada and Schneeberg, Saxony. In the Blind River district of Ontario :fine-grained euheclral uraninite occurs |