Lapidary
gemstone cutter
Was Dioskourides a lapidary?
A lapidary is a person or machine who cuts gemstones; classically, it refers to a person who engraves gemstones. Dioskourides put his signature on a Roman amethyst ringstone with a portrait of Demosthenes circa late 1st century BC. Artists sign their work.
What is a lapidary? What do #1's do once they finish their work? Did Dioskourides do #1 and #2?