quartzite Synonyms

calcareous arenite krzemionki hornstones hard greyish-black stone boulders Rockingham quarrystone eveslogite blueschist arkose arenite crystal quartz crystallized quartz granitelike rock brick pavers argillaceous arenite flagstone material fine-grained aggregate metamorphic rocks particulate rock-like material monolithic rock crystalline rocks calcilith ballast stone anorthosite aplite amphibolite calculus breccia boulder bluestone basalt ballast argillite andesite amethyst aggregate chalcedony chalk chert bedrock stone quartz psammite pegmatite novaculite marlstone graywacke ganister diorite