CALCITL CRYSTALS WITH RHOMBOID TUBLS FROM GUANAJUATO MEXICO - TOOTHAKER, CR (Commercial Museum, Philadelphia, PA USA, 1941)
AM MINERAL
Keywords: CALCITL, CRYSTALS, RHOMBOID, TUBLS, GUANAJUATO, MEXICO; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; MINERALOGIA