Accessible Requires Authentication Published by De Gruyter April 1, 2015

Dingdaohengite-(Ce) from the Bayan Obo REE-Nb-Fe Mine, China: Both a true polymorph of perrierite-(Ce) and a titanic analog at the C1 site of chevkinite subgroup

Jinsha Xu, Guaming Yang, Guowu Li, Zhilan Wu and Ganfu Shen
From the journal American Mineralogist