Marchnad Heddiw

35-40 crynodiad molybdenwm 4260-4290, 4290-4320 o 40-45, 4320-4350 o 45-50, 4350-4380 o 50-55, a 4380-4410 uchod 55; Ocsid molybdenwm cemegol 4360-4390, ocsid molybdenwm metelegol 4400-4430 a ocsid molybdenwm hydawdd iawn 4430-4460.