Definitions

from The Century Dictionary.

  • noun A silicate of manganese of an ash-gray or reddish color, commonly occurring in cleavable masses: found in New Jersey, also in Sweden. It belongs to the chrysolite group.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A silicate of manganese of an ash-gray color.

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

  • noun mineralogy An orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

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