Stone objects

thumb|upright=1.1|Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic [[sapphire, ruby, uncut emerald, and amethyst crystal cluster.]]

upright|thumb|The basic anatomy of a millstone. This is a runner stone; a bedstone would not have the "Spanish Cross" into which the supporting millrind fits.

stone tool

16th century Mexica sculpture

thumb|Disc quern made of basalt stone thumb|Nepali women using quern-stones to grind grains

thumb|250px|A ceremonial cornerstone from 1907, at the side of a building in Lasówka, Poland A cornerstone (or foundation stone or setting stone) is the first stone set in the construction of a masonry foundation. All other stones will be set in reference to this stone, thus determining the position of the entire structure.

any tool, partially or entirely, made out of stone

bilingual inscription on stone slabs

spherical man-made object of any size that is composed of stone

Alleged archaeological artifact

hand-held stone tool used with a metate or quern to process or grind food by hand