gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1891.009.43.01 Cassiterite, “Sparable Tin,” from Cornwall Solly R. H. M.A., F.G.S. 3 1891 9 43 199 208 Copyright © 1891, The Mineralogical Society 1891