Hydroxylapatite from Utah, USA
USA | |
| [var. Carbonate-rich Hydroxylapatite] Young, R. G., Million, I., Hausen, D. M. (1960) Geology of the Green River Mining District, Emery and Grand Counties, Utah, AEC RME-98. |
| Mineralogical Magazine 1998 62 : 265-269 |
| Wilson, W. (2010): The Clay Canyon Variscite Mine, Fairfield Utah. Mineralogical Record. 41:321-349. |