Jinxiuite is a sulfide mineral discovered in China in 2025.Global Times Geologists confirm the existence of a mineral never before seen in one of the richest deposits on the planet, January 25, 2026 It is a nickel bismuth antimony arsenic sulfide, Ni18Bi2SbAsS16.
Discovery The never seen before mineral was discovered in the Longhua nickel-cobalt deposit in Jinxiu Yao Autonomous County in Guangxi Zhuang Autonomous Region and was consequently named after the county.China Daily Guangxi's new mineral named Jinxiuite, December 19, 2025
Composition The mineral contains 17.5% nickel and 1.5% cobalt, which is nearly 80 times higher than conventional mineralization standards for cobalt or nickel ore; typical cutoffs are around 0.2% for nickel and 0.02% for cobalt.The Daily CPEC China Discovers New Mineral Jinxiuite Nickel-Cobalt, December 18, 2025
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