Lapis Lazuli (Lazurite)
last edited: 2/6/17 number of photos: 7
Lazurite is 3NaAlSiO4.Na2S
lapis lazuli crystals: 1 2
gem quality lapis from Afghanistan: 1 2 3 4
lapis from Chile: 1
Photos are copyright free for non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.