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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A green monoclinic copper mineral, polymorphous with atacamite, paratacamite, and clinoatacamite.

from The Century Dictionary and Cyclopedia

  • n. A mineral containing copper as hydroxy-chlorid, found at the Bottallack mines, Cornwall, closely related to if not identical with atacamite.


Botallack mine, Cornwall, and -ite. (Wiktionary)


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