Ages for Spodumene at Jing'erquan Pegmatite Field, Huangshan-Jing'erquan Ore Belt, Hami Co. (Kumul Co.; Qumul Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 309.4Ma - 227.3Ma at this locality