Brilliant yellow sulfur crystals are deposited around a fumarole vent in Indonesia's Kawah Ijen, a crater within the Ijen caldera at the eastern tip of the island of Java. Sulfur is deposited over broad areas around the Kawah Ijen crater lake and is mined for elemental sulfur.

Copyrighted photo by Katia and Maurice Krafft, 1976.

Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.

Ijen