0 FacebookTwitterPinterestWhatsapp Survival Tips Greenstone Axe by David Walker August 1, 2025 by David Walker August 1, 2025 0 comments Greenstone axes or celts have been used in North America for more than 10,000 years, since the early Archaic period. Basalts, Ryolite and Greenstone were used because of their hardness. … Read more