Mineralogical Magazine, 1998, V 62, N 4, August, (N411).

A.A. Mitchell, H.V. Eales and F.J. Kruger: Magma replenishment, and the significance of poikilitic textures in the Lower Main Zone of the western Bushveld Complex, South Africa 435

I.M. Steele, J.J. Pluth and A. Livingstone: Crystal structure of macphersonite (Pb4SO4(CO3)2(OH)2): comparison with leadhillite 451

P.C. Burns: The crystal structure of szenicsite, Cu3MoO4(OH)4 461

P.W. Millsteed: Marshite-miersite solid solution and iodargyrite from Broken Hill, New South Wales, Australia 471

A.S. Marshall, R.W. Hinton and R. Macdonald: Phenocrystic fluorite in peralkaline rhyolites, Olkaria, Kenya Rift Valley 477

A.M. Abdel-Rahman and P.S. Kumarapeli: Geochemistry of mantle-related intermediate rocks from the Tibbit Hill volcanic suite, Quebec Appalachians 487

R.M. Kuyumjian: Kyanite-staurolite ortho-amphibolite from the Chapada region, Goiás, central Brazil 487

M. Satish-Kumar and N. Niimi: Fluorine-rich clinohumite from Ambasamudram marbles, Southern India: mineralogical and preliminary FTIR spectroscopic characterization 509

I. Kusachi, Y. Takechi, C. Henmi and S. Kobayashi: Parasibirskite, a new mineral from Fuka, Okayama Prefecture, Japan 521

B. den Brok, C. Passchier, and M. Sieber: Fibre growth in wet salt aggregates in a temperature gradient field 527

D.S. Coombs and 18 members of the IMA CNMMN Subcommittee: Recommended nomenclature for zeolite minerals: report of the subcommittee on zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names 533