Hyttsjoite, a new, complex layered plumbosilicate with unique tetrahedral sheets from Langban, Sweden Note: U(1,2) for Ca3 and Fe changed to match symmetry constraints.
Authors of publication
Grew, E. S.; Peacor, D. R.; Rouse, R. C.; Yates, M. G.; Su, S.-C.; Marquez, N.