Citation: Bonazzi, P.; Bindi, L.; Zoppi, M.; Capitani, G. C.; Olmi, F. (2006). Single-crystal diffraction and transmission electron microscopy studies of "silicified" pyrochlore from Narssarssk, Julianehaab district, Greenland Sample: 170a. American Mineralogist, 91, pp. 794-801.