Definitions

from The Century Dictionary.

  • noun [capitalized] One of the Order of the Hospitalers of St. John of Jerusalem. See hospitaler.
  • noun A mineral of an emerald-green or apple-green color, a hydrous sulphate of the protoxid of uranium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A rare green uranium sulfate mineral.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

After Archduke John of Austria (1782-1859), the founder of the Landesmuseum Joanneum in Styria, Austria. -ite

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