Citation: Domeneghetti, M. C.; Tazzoli, V.; Ballaran, T. B.; Molin, G. M. (1996). Orthopyroxene from the Serra de Mage meteorite: A structure-refinement procedure for a Pbca phase coexisting with a C2/c exsolved phase Sample Opx SDM N.13, natural. American Mineralogist, 81, pp. 842-846.