Small piece of rock; may or may not refer to ornamental material.
Sometimes synonymous with rock, but more properly applied to individual blocks, masses, or fragments taken from their original formation or considered for commercial use.
Rock fragments larger than 25.4 cm (10 inches) but less than 60.4 cm (24 inches).
Quarried or artificially broken rock for use in construction.
A playing piece or pawn. Traditionally, the black pieces are actually made from stone. (And the white pieces from bone, shell or coral.)
Rock selected or processed by shaping, cutting, or sizing for building or other use.
A round granite playing piece. Also known as the rock.
A meteorite which is made of rock.
Rock or rock-like material; a particle of such material, in any size from pebble to the largest quarried blocks.
a piece of fragment of rock. [AHDOS