Sheridanite from Baltic Shield (Fennoscandian Shield)
Norway | |
| Smith, D.G.W. (1969) A reinvestigation of the Pseudobrookite from Havredal (Bamble), Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 49 (3) 285-288 |
Russia | |
| Semenov, S.V., Glebovitsky, V.A., Kol’tsov, A.B., Semenov, V.S., Korneev, S.I., and Savatenkov, V.M. (2008): Geology of Ore Deposits 50(4), 249-274. |