1. Referee Acknowledgement

   Pages: 683 - 683

2. Synthesis of feldspar bicrystals by direct bonding

   • S. Heinemann
   • R. Wirth
   • G. Dresen

   ORIGINAL PAPER Pages: 685 - 692

3. Location and quantitative analysis of OH in coesite

   • M. Koch-Müller
   • Y. Fei
   • Z. Liu

   ORIGINAL PAPER Pages: 693 - 705

4. Diffusion in single crystal of melilite: interdiffusion of Al + Al vs. Mg + Si

   • H. Nagasawa
   • T. Suzuki
   • M. Morioka

   ORIGINAL PAPER Pages: 706 - 710

5. Rotation and dilation deformation mechanisms for auxetic behaviour in the α-cristobalite tetrahedral framework structure

   • A. Alderson
   • K. E. Evans

   ORIGINAL PAPER Pages: 711 - 718

6. Synthesis of sodium zeolites from a natural halloysite

   • A. F. Gualtieri

   ORIGINAL PAPER Pages: 719 - 728

7. High-pressure stability, structure and compressibility of Cmcm -MgAl₂O₄: an ab initio study

   • M. Catti

   ORIGINAL PAPER Pages: 729 - 736

8. Effect of impurities on grain growth in synthetic calcite aggregates

   • D. Freund
   • E. Rybacki
   • G. Dresen

   ORIGINAL PAPER Pages: 737 - 745

9. Molecular dynamics study of the α–β transition in quartz: elastic properties, finite size effects, and hysteresis in the local structure

   • M. H. Müser
   • K. Binder

   ORIGINAL PAPER Pages: 746 - 755