Magnesiohogbomite-2N4S: A new polysome from the central Sor Rondane Mountains, East Antarctica - Shimura, T.; Akai, J.; Lazic, B.; Armbruster, T.; Shimizu, M.; Kamel, A.; Tsukada, K.; Owada, M.; Yuhara, M. (American Mineralogist, 2012)