|
UK | |
| [var. Illite] Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386 |
| [var. Illite] Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386 |
| Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |
| [var. Illite] Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |