1. The nature and composition of the acid-insoluble residue and hydrolysate fraction of manganese nodules from selected areas in the equatorial and S.W. Pacific

   • G. P. Glasby
   • T. Thijssen

   OriginalPaper Pages: 205 - 225

2. New data on the mercury antimony mineral shakhovite: Chemical composition, unit cell and crystal structure

   • E. Tillmanns
   • R. Krupp
   • K. Abraham

   OriginalPaper Pages: 227 - 235

3. Neptunite from the Woodsreef Serpentinite, New South Wales: A new occurrence

   • E. Slansky
   • R. A. Glen

   OriginalPaper Pages: 237 - 247

4. Niocalite revised: Twinning and crystal structure

   • M. Mellini

   OriginalPaper Pages: 249 - 266

5. A reflected light investigation of nickeline, breithauptite and millerite

   • A. Beran
   • T. Mohsenzadeh

   OriginalPaper Pages: 267 - 275

6. The crystal structure of Liebigite, Ca₂UO₂(CO₃)₃·∼11H₂O

   • K. Mereiter

   OriginalPaper Pages: 277 - 288

7. Buchbesprechungen

   • W. Pohl
   • F. Seifert

   BookReview Pages: 289 - 291

8. Mitteilungen

   Announcement Pages: 292 - 292