Hydroxylgugiaite: A new beryllium silicate mineral from the larvik plutonic complex, Southern Norway and the ilímaussaq alkaline complex, South Greenland: the first member of the melilite group to incorporate a hydrogen atom

Joel D. Grice, Roy Kristiansen, Henrik Friis, Ralph Rowe, Mark A. Cooper, Glenn G. Poirier, Panseok Yang, Mark T. Weller