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Well attestedNamed from the place

carrollite

noun · first attested 1852

A Maryland county gave its name to the mineral that now comes almost entirely from the Congolese copperbelt.

A copper cobalt sulfide of the linnaeite group, CuCo2S4.

Carroll County·United States

39.5700°N -77.0200°W · Q501323

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Relationship
Named from the place
Confidence
Well attestedThe place link is the standard scholarly account.
Attested
1852
Part of speech
noun

Explanations here are written for this atlas. Dictionary text is not copied; the sources are linked so the claim can be checked.

How it traveled
  1. Step 1

    Carroll County

  2. In English

    carrollite

The entry

William Leonard Faber published On Carrollite, a new Cobalt Mineral in the American Journal of Science in 1852, describing material from the Patapsco mine in Carroll County, Maryland. The Maryland workings are long closed. Today the best carrollite crystals in the world come from the Katanga copper and cobalt mines, thousands of kilometers from the county on the label.

United States

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