gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1997.061.405.21 Derbyshire Black Marble Howie R. A. 4 1997 61 405 327 327 Tomlinson J. M. Derbyshire Black Marble Matlock Bath Peak District Mines Historical Society 1996 (with geological appendices by T. D. Ford), Spec. Publ. No 4, Price £9.95. 0-904334-04-X Copyright © 1997, The Mineralogical Society 1997