Citation: Nagashima, M.; Akasaka, M. (2004). An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis Sample: q = 1.0, p = 1.00, Synthesis at P=350 MPa, T=500 C. American Mineralogist, 89, pp. 1119-1129.