Ruskin’s so-called Mineralogical Dictionary (untitled in manuscript) and mineralogical notes, in five handmade books and some loose folios, bound together in dark red buckram, 33.5 × 20.5 cm, with  Ruskin MS.--Early Geology  stamped in gilt on spine. When bound, the sequence of the parts was confused, so that they are best described in connection with their content.