All observations shown here, with definitions, sources and the same data version. Empty values mean not available.

US Geological Survey. Source updated 2026-02. Retrieved 2026-10-25T02:28:07.544930+00:00. USGS government-produced data is in the public domain. Adapted from US Geological Survey, Mineral Commodity Summaries, Nickel, February 2026. Source credit retained; no third-party artwork copied. https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits