THERMAL DEPENDENCE OF INTRACRYSTALLINE Fe2+-Ca2+ EXCHANGE IN METASILICATE, FERROBUSTAMITE (Ca, Fe)SiO3 T. Yamanaka et R. SadanagaJ. Phys. Colloques, 40 C2 (1979) C2-475-C2-476DOI: https://doi.org/10.1051/jphyscol:19792164