Lapis-lazuli was known in ancient times and was highly prized. The earliest published use of the name lapis-lazuli appears to be from 1636 by Anselmus Boetus de Boodt in Gemmarum et Lapidum Historia. page 273. The name is said to be derived from the Latin 'Lapis' and the persian 'Lazhward', meaning Blue. The name should be pronounced 'Lap-is Laz-u-lee'