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MGRI +‎ -ite, from an initialism used for the Moscow Institute of Geological Exploration.



mgriite (uncountable)

  1. (mineralogy) A copper-arsenic-selenium mineral.
    • 2007, T. Schlothauer, A. D. Renno, G. Heide, Keeping Track of the Selenide Zoo:
      Dimorpheous minerals like bellidoite and berzelianite are as much indistinguishable like intergrowths of the minerals berzelianite, mgriite and lollingite using backscattered and secondary electron images. Optical microscopy is the key to overcome these problems.

Further reading

  • David Barthelmy (1997–2024) “Mgriite”, in Webmineral Mineralogy Database.
  • mgriite”, in[1], Hudson Institute of Mineralogy, 2000–2024.