|
China | |
|
| Zhao Zhenhua, Bao Zhiwei, Zhang Boyou, and Xiong Xiaolin (2001): Science in China, Series D (Earth Sciences), 44(3), 266-276. |
|
| Xueming Wang, Mengxiong Chen, Mei Li, and Furang Li (2002): Geology and Prospecting 38(6), 34-38 |
|
Russia | |
|
| Pavel M. Kartashov data |
|
Sri Lanka | |
|
| |
|
| Ceylon Aluvial Mine, (Book, Co. 2002) |
|
USA | |
|
| Mineralogy of Michigan (2004) Heinrich & Robinson |
|
| Mineralogy of Michigan (2004) Heinrich & Robinson |
- Amelia (Amelia Court House)
| Minerals of Virginia, 1990 by R. V. Dietrich |