VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY
Lapis lazuli, a rare, deep blue gemstone. Lapis lazuli is a complex mineral containing a mixture of blue lazurite (sodium aluminium silicate), white calcite (calcium carbonate) and small amounts of other minerals. It occurs in silica- poor igneous rocks and metamorphic limestones and is found in Afghanistan, Siberia, Iran and Chile. It was formerly used as the source of the blue pigment ultramarine.
Model release not required. Property release not required.