litho-, lith-, -lith, -lithic, -lite, -liths, -lites

(Greek: stone, rock; hard consolidated mineral matter; hard matter formed from mineral and earth material; hard substance that is solid)

zoolith, zoolite (s) (noun), zooliths; zoolites (pl)
An animal fossil: In the museum, Jack was impressed by the quality of the zooliths of various faunae from long ago that could be viewed in the glass showcases.

Related "stone, rock" word families: lapid-; petro-; saxi-; stele-.