|
Belgium | |
|
| Jacques Jedwab |
|
Brazil | |
|
| Canadian Mineralogist Vol. 40, pp. 1451-1463 |
|
| Villas, R.N., and Dias Santos, M. (2001): Mineralium Deposita 36, 300-331 |
|
| Mineralogical Magazine (1994): 58: 579-587; Mineralogical Magazine: 66: 327-336. |
|
| Economic Geology 96:61-74 |
|
| App.EarthSci 111:74 -- 80. |
|
Guinea | |
|
| P.M. Kartashov data |
|
Morocco | |
|
| El Ghorfi, M., Oberthür, T., Melcher, F., Lüders, V., El Boukhari, A., Maacha, L., Ziadi, R., and Baoutoul, H. (2006): Mineralium Deposita 41, 549-564. |
|
Russia | |
|
| Tolstykh, N.D., Sidorov, E.G., Laajoki, K.V.O., Krivenko, A.P., and Podlipskiy, M. (2000): Canadian Mineralogist: 38: 1251-1264. |
|
UK | |
|
| Mineralogical Magazine 1982 46 : 371-377 |
|
USA | |
|
| |
|
| www.cannonmicroprobe.com/Mineral_Specimens.htm |
|
Venezuela | |
|
| Rob Lavinsky |