Citation: Domeneghetti, M. C.; Molin, G. M.; Stimpfl, M.; Tribaudino, M. (1995). Orthopyroxene from the Serra de Mage meteorite: Structure refinement and estimation of C2/c pyroxene contributions to apparent Pbca diffraction violations Sample: OPX SDM N.13, natural. American Mineralogist, 80, pp. 923-929.