Definitions

from The Century Dictionary.

  • noun An oxid of manganese and iron related to magnetite and belonging to the spinel group, found at Jakobsberg in Sweden.

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

  • noun mineralogy A manganese iron oxide mineral, a magnetite spinel.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Jakobsberg, Sweden, and -ite.

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