Not a mineral but a rock which is complex aggregate (mixture) of other minerals:
Hauynite (NaCa)4 8(S3So2)1 2(Al6Si6O24).
Lapis is a dark blue microcrystalline rock composed primarily of the mineral lazurite. It often sparkles with golden pyrite inclusions. The name is international, from the Latin, lapis, which means stone, and from the Arabic, azul, which means blue. Lapis is a beautiful royal blue stone often associated with royalty. It is most often seen as a necklace of beads or carved pendants. More on...
Colors: Dark blue possibly with white spots of calcite. It often has specks of pyrite which look like gold.
Care and Treatment
Lapis Lazuli is often dyed to improve its color. Pierre Gilson Lapis is one of the better imitations. Lapis has been imitated by dyed Jasper and by paste with inclusions of copper.
Lapis Lazuli can easily be scratched or chipped. Water will dissolve it's protective coatings
Lapis Lazuli has a hardness rating of 5.5.
Specific Gravity: 2.75 to 2.9
Neuralgia; melancholy; fevers; inflammations; penetrates subconscious blockages; throat chakra; sore throat; energy focuser for teachers, lecturers & speakers, mental & spiritual cleanser; used on 3rd eye for meditation; eliminates old & negative emotions; use with other healing stones; thought form amplification; helps in creating mantras.
Lapis Lazuli is found in Afganistan, Argentina, Canada, Chile, and the United States.
Star Stone Months
It is said that Lapis helps one understand the mind. It helps to expand your viewpoint. It is good for connecting the heart and the mind when worn over the heart.
Lapis was prized in both Babylonia and Egypt and often worn by royalty.
Legend has it that Lapis Lazuli would protect the wearer from evil.
Lapis was a cure for melancholy and for certain types of fever.