LAPIS, in Latin, a stone. Hence,
LAPIS Bononiensis, the Bolognian stone.
LAPIS Hepaticus, liver stone.
LAPIS Lazuli, azure stone, an aluminous mineral, of a rich blue color, resembling the blue carbonate of copper. [See Lazuli.]
LAPIS Lydius, touch-stone; basanite; a variety of siliceous slate.