Keywords |
  • Geology

Diadochic substitution

Diadochic substitution is substitution in which two or more atoms can substitute for each other to occupy the same lattice positions in a crystal (e.g. Mg and Fe in the forsterite-fayalite series).

Mg and Fe in forsterite showing diadochic substitution. © DR Mg and Fe in forsterite showing diadochic substitution. © DR


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