Of or relating to quartz arenite.

A sandstone arenite that is predominantly composed of silica.

(now chiefly historical) A machine designed to crush quartz in order to extract gold.

plural of quartz crusher

(geology) A form of quartz with an unusual microscopic structure that has been deformed along planes inside the crystal by the application of extremely high pressure at moderate temperature; generally produced only by hypervelocity impact events, lightning strikes, and nuclear explosions.

Quartz occurring as gangue in a vein.

plural of quartz arenite

plural of quartz schist

plural of quartz-diorite

Synonym of amethyst