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Jinxiuite

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Jinxiuite
General
CategorySulfide minerals
FormulaNi18Bi2SbAsS16
IMA symbolJx
Strunz classification2.BB.10
Crystal systemTetragonal
Crystal classDitetragonal dipyramidal (4/mmm)
Space groupI4/mmm (no. 139)
Identification
ColorLight green and grey
References[1]

Jinxiuite is a sulfide mineral discovered in China in 2025.[2] It is a nickel bismuth antimony arsenic sulfide, Ni18Bi2SbAsS16.

Discovery

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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.[3]

Composition

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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.[4]

References

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  1. "Jinxiuite". mindat.org. Hudson Institute of Mineralogy. Retrieved 30 January 2026.
  2. Global Times Geologists confirm the existence of a mineral never before seen in one of the richest deposits on the planet, January 25, 2026
  3. China Daily Guangxi's new mineral named Jinxiuite, December 19, 2025
  4. The Daily CPEC China Discovers New Mineral Jinxiuite Nickel-Cobalt, December 18, 2025