Definitions for "Lapis lazuli"
An albuminous mineral of a rich blue color; also called lapis. Same as Lazuli, which see.
semiprecious blue stone; in antiquity it was mined in Afghanistan
Lapis Lazuli is a complex composition of multiple minerals. It exhibits a range of beautiful blues from lazur blue to violet to greenish blue. On Mohs’ scale of hardness, lapis lazuli is 5-6. It has a vitreous and greasy luster and primary sources include Chile, Russia, Afghanistan, Angola, Burma (Myanmar), Canada, Pakistan, California and Colorado. (See Lapis Lazuli Facts.) (Note: Sources listed in order of primary and secondary deposits.)