🪨 Novaculite
Ultra-fine-grained quartzite used as a whetstone for sharpening. Arkansas's Ouachita Mountains produce the world's finest novaculite.
Best Places to Find Novaculite
Arkansas Novaculite Beds
Hot Springs, Arkansas · Public Land
Ouachita Mountain wash slopes for novaculite — a unique sedimentary rock prized for whetstones. Also occasional quartz crystals.