Definition of "achate"

Two vasas of berill , 2 of achate , whereof one is esteemed for its bignesse , colour , and carving imboss'd

1643 November 22 (Gregorian calendar), John Evelyn, “”, in William Bray, editor, Memoirs, Illustrative of the Life and Writings of John Evelyn, […], 2nd edition, volume I, London: Henry Colburn, […]; and sold by John and Arthur Arch, […], published 1819

These following bodies do not draw: smaragd, achates, corneolus, pearl, jaspis, chalcedonius, alabaster, porphyry, coral, marble, touchstone, haematites, or bloodstone […]

1631, Francis [Bacon], “(please specify |century=I to X)”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], 3rd edition, London: […] William Rawley; [p]rinted by J[ohn] H[aviland] for William Lee […]