Citation: Romming, C.; Petricek, V.; Kocharian, A.K.; Raade, G.; Bailey, S.W. (1993). The crystal structure of kamphaugite-(Y). European Journal of Mineralogy (1,1989-), 5, pp. 685-690.
Formula: C2 H3 Ca0.93 Gd0.1 O8 Y0.97
Chemical name:(Ca0.93 Y0.07) (Y0.9 Gd0.1) (C O3)2 (O H) (H2 O)