Oberti R , Quartieri S , Dalconi M C , Boscherini F , Iezzi G , Boiocchi M , Eeckhout S G , American Mineralogist , 91 (2006) p.1230-1239, Site preference and local geometry of Sc in garnets: Part I., Multifarious mechanisms in the pyrope-grossular join, Locality: synthetic, Sample: prp