lapis lazuli
noun /ˌlæpɪs ˈlæzjʊli/
/ˌlæpɪs ˈlæzəli/
[uncountable]- a bright blue stone, used in making jewelleryWord Originlate Middle English: from Latin lapis ‘stone’ and medieval Latin lazuli, genitive of lazulum, from Persian lāžward ‘lapis lazuli’. Compare with azure.