A couple well-exposed crystal of lazurite, one partial and the other mostly complete, on a marble matrix.
The mines at Sar-e-Sang have been producing for over 6,000 years. They supplied the lapis that adorns King Tutankhamen’s famous burial mask, as well as various Greek and Roman artifacts. Although a lot of lapidary grade lazurite now comes from Chile, crystals of this size and quality have only come from Afghanistan.