Lynas Rare Earths (ASX:LYC) confirmed the first production of dysprosium oxide at Lynas Malaysia, following the commissioning of the new heavy rare earth separation circuit in the March quarter, according to a Friday filing with the Australian bourse.

Meanwhile, the first production of terbium is anticipated in June, the filing said.

Pricing for the heavy rare earth products is expected to reflect high demand outside China, according to the filing.