A crystal ball.

(archaeology) A stone used to manufacture other stone tools

gastrolith

An engineered stone replacement product, composed of polyester resin with embedded stone dust, and dyes to make the plastic resin composite appear like the natural stone that the dust was derived from.

A consecrated stone that forms all or part of the mensa of an altar.

Alternative form of altar stone

A projecting metal, concrete, or stone exterior architectural element located at the corner and/or foot of gates, portes-cochères, garage entries, and walls to prevent damage from vehicle tires and wheels.

Alternative form of kerbstone

Alternative form of kerbstone

Alternative form of stone knapper