Pentĕlĭcus, a, um, adj., = Πεντελικός,
of or belonging to a mountain near Athens (in the demos of Πεντελή), celebrated for its while marble , Pentelie : Hermae Pentelici, of Pentelic marble , Cic. Att. 1, 8, 2.
PENTE´LICUS MONS[ATTICA pp. 322, a., 323, b.] ...
Dictionary of Greek and Roman Geography