chert Synonyms

chartfield flintstone Feuerstein combeite coconinoite wacke slate silica silex siltstone taconite breeds siliceous shale siliceous schist ignescent stone fire stone bedded rock krzemionki hornstones hard greyish-black stone shale schist firestone fabric equipment dickens devil deuce clerical charted flintlock ganister graywacke rhyolite quartzite novaculite nick materiel material marlstone hornstone chart