| Structure: | Finch R.J., Ewing R.C. (1997); * Amer. Mineral., 82, 607-619; |
| Unit cell parameters: | $Na0.733 K0.029 Ca0.021 Sr0.009 Y0.024 Th0.006 Pb0.058 U0.942 O3.892 H1.1$ |
| Note: | Locality - Spruce Pine district, from the Deer Park and other mines, Mitchell County, North Carolina, USA. D.T.N. |
| to this Card: | (WWW-MINCRYST, CLARKEITE-913) OR (WWW-MINCRYST, 913); |
| to WWW-MINCRYST as resource: | WWW-MINCRYST (2024). Crystallographic and Crystallochemical Database for minerals and their structural analogues http://database.iem.ac.ru/mincryst |