gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1886.007.33.06 On a New Variety of Mineral from Cornwall Kinch E.Prof. F.C.S., F.I.C. Butler F. H. M.A., A.R.S.M. Miers H. A. M.A., etc. 12 1886 7 33 65 70 Copyright © 1886, The Mineralogical Society 1886