1. Electron paramagnetic resonance study of new paramagnetic centers in microcline-perthites from pegmatites

   • I. V. Matyash
   • N. N. Bagmut
   • V. Ya. Proshko

   OriginalPaper Pages: 149 - 152

2. The investigation of defects in shock-metamorphosed quartz

   • A. I. Serebrennikov
   • A. A. Valter
   • M. Ya. Scherbakova

   OriginalPaper Pages: 153 - 157

3. Fission track etching studies of different planes of epidote

   • K. D. Bal
   • Nand Lal
   • K. K. Nagpaul

   OriginalPaper Pages: 158 - 160

4. Optical absorption and electron spin resonance in blue and green natural beryl

   • Ana Regina Blak
   • Sadao Isotani
   • Shigueo Watanabe

   OriginalPaper Pages: 161 - 166

5. Electron microscope study of the humite minerals: II. Mn-rich specimens

   • T. J. White
   • B. G. Hyde

   OriginalPaper Pages: 167 - 174

6. Transmission electron microscopy on meteoritic troilite

   • Jutta Töpel-Schadt
   • Wolfgang Friedrich Müller

   OriginalPaper Pages: 175 - 179

7. Aluminous goethite: A mössbauer study

   • Stuart A. Fysh
   • Paul E. Clark

   OriginalPaper Pages: 180 - 187

8. A microscopic study of synthetic PbS-Rich homologues nPbS-mBi₂S₃

   • A. Prodan
   • M. Bakker
   • B. G. Hyde

   OriginalPaper Pages: 188 - 192

9. IMA-news

   News Pages: A3 - A5