Composition: Sodium calcium aluminosilicate sulfate
Nomenclature: Named after the Persian word lazward which means "blue" because of its color.
Industrial Uses: Gemstones, ornamental stones.
Additional Notes: The gem variety of the mineral lazurite. Not to be confused with the mineral lazulite, despite the similarity of names and appearance.
Afghanistan : Scott 1299 : 37 afghani : 5 Dec 1988
Chile : Scott 1179b : 150 pesos : 9 Aug 1996