1. Editorial

   • S. S. Hafner
   • A. S. Marfunin
   • C. T. Prewitt

   EditorialNotes Pages: i - i

2. Kinetics and mechanism of transformations in iron-rich pyrrhotites and in troilite-pyrrhotite metastable assemblages

   • G. V. Novikov
   • V. K. Egorov
   • L. V. Sipavina

   OriginalPaper Pages: 1 - 14

3. Observation of growth defects in spodumene crystals by X-ray topography

   • A. Authier
   • A. Zarka

   OriginalPaper Pages: 15 - 26

4. Molecular orbitals of Si₂O ₇ ⁶⁻ , Si₃O ₁₀ ⁸⁻ , etc., and mixed (B,Al,P,Si) _m applied to clusters and X-ray spectroscopy data of silicates

   • Yu. P. Dikov
   • E. I. Debolsky
   • A. A. Levin

   OriginalPaper Pages: 27 - 41

5. Compositional dependence of the hyperfine interaction of ⁵⁷Fe in anthophyllite

   • Friedrich Seifert

   OriginalPaper Pages: 43 - 52

6. Tetrahedral bond length variations in sulfates

   • S. John Louisnathan
   • Roderick J. Hill
   • G. V. Gibbs

   OriginalPaper Pages: 53 - 69

7. Phase transitions and associated domains in hexacelsian (BaAl₂Si₂O₈)

   • W. F. Müller

   OriginalPaper Pages: 71 - 82

8. Temperature, pressure and composition: Structurally analogous variables

   • Robert M. Hazen

   OriginalPaper Pages: 83 - 94

9. Effects of shock pressures on calcic plagioclase

   • Rex V. Gibbons
   • Thomas J. Ahrens

   OriginalPaper Pages: 95 - 107

10. Calculation of subsolidus phase relations in carbonates and pyroxenes

    • Alexandra Navrotsky
    • Douglas Loucks

    OriginalPaper Pages: 109 - 127