gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1984.048.349.16 Short Communications Grimaldiite, CrOOH, a Second Occurrence, from the Hiaca Mine, Colquechaca, Bolivia Livingstone A. Jackson B. Davidson P. J. Department of Geology, Royal Scottish Museum, Chambers Street, Edinburgh EH1 1JF 12 1984 48 349 560 562 23 2 1984 24 4 1984 Copyright © 1984, The Mineralogical Society 1984