All Stories

  1. The chemical theory of valence

    Article • Acta Crystallographica Section B Structural Science Crystal Engineering and Materials, February 2025, International Union of Crystallography

    David Brown

  2. Determining bond valence parameters

    Article • IUCrJ, September 2017, International Union of Crystallography

    David Brown

  3. A new approach to the ionic model

    Article • American Mineralogist, August 2016, GeoScienceWorld

    David Brown

  4. Are covalent bonds really directed?

    Article • American Mineralogist, March 2016, GeoScienceWorld

    David Brown

  5. On understanding the structure and composition of crystals

    Article • American Mineralogist, November 2015, GeoScienceWorld

    David Brown