Diabase porphyry with large, oblong, yellowish to light green phenocrysts on a dark green groundmass. Lapis lacedaemonius (see Lazzarini2007, pp. 42–66, esp. p. 65, fig. 1, “porfido verde antico” from Psefi, Laconia).
Thin plaque of revetment. One side has slightly raised area (D. 0.001) but unclear whether this is decorative or vestigial from cutting of stone. Otherwise surface is finely polished and even.
Preservation description
One very small fragment preserves front and back but broken on all sides.