pertaining to or consisting of stone.

Petrology . pertaining to clastic rocks, either sedimentary or volcanic, containing a large proportion of debris from previously formed rocks

a lithic sandstone; lithic tuff.

Pathology . pertaining to stony concretions, or calculi, formed within the body, esp. in the bladder.

Chemistry . of, pertaining to, or containing lithium.

Archaeology . a stone artifact.