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Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A mineral, usually of a pale brown or grey-greenish colour, consisting chiefly of the hydrous silicate of iron and manganese.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mineral, usually of a pale brown or of a gray or grayish green color, consisting chiefly of the hydrous silicate of iron and manganese; -- so called from the odor given off before the blowpipe.

from The Century Dictionary and Cyclopedia

  • n. A mineral of a liver-brown color, or pistachio-green, occurring in six-sided prisms, with perfect basal cleavage, found in Sweden. It is a silicate of iron and manganese, containing chlorin, the odor of which it exhales when heated.

Etymologies

Ancient Greek (Wiktionary)

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