Azurite (blue) and malachite (green) deposits in what was the vent of an ancient black smoker. Azurite is a hydrated copper carbonate mineral, malachi

---

Azurite (blue) and malachite (green) deposits in what was the vent of an ancient black smoker. Azurite is a hydrated copper carbonate mineral, malachite is a copper carbonate hydroxide mineral. Photographed at the site of a former copper mine, Macalder, Kenya.

---

Size: 3413px × 5120px
Photo credit: © PHIL HILL/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: africa, african, azurite, belt, black, carbonate, chimney, copper, deposit, deposits, east, exploration, geological, geology, greenstone, hosted, hydrated, hydroxide, kenya, macalder, malachite, massive, migori, mineral, minerals, natural, nyanza, ore, resources, rock, shaft, smoker, sulphide, vent, vms, volcanic