|
China | |
- Qinghai (Chinghai) Province
- Haixi Autonomous Prefecture
| Yu Xuehui, Mo Xuanzhi, Yuan Wanmen, Zeng Tao, and Gan Weidong (1999): Journal of China University of Geosciences 10(1). |
|
Germany | |
|
| Andreas Gerstenberg collection |
|
| [Clark, 1993 - "Hey's Mineral Index", p406] |
|
| Lapis 30(7/8):41-70 (2005) |
|
UK | |
- Camborne - Redruth - St Day District
- Carn Brea and Tincroft United Mine
| Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108. |
|
| No reference listed |