gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1968.036.282.27 Short Communications A Continuous Density Separator for Mineral Separation Østergaard Troels V. Mineralogisk Museum, Østervolgade 7, København K, Denmark 6 1968 36 282 890 891 22 11 1967 Copyright © 1968, The Mineralogical Society 1968