from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A silicate mineral, a manganese variety of fayalite that forms dark green orthorhombic crystals.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mineral of a gray, red, brown, or green color, and glistening luster. It is a silicate of iron and manganese.

from The Century Dictionary and Cyclopedia

  • n. A mineral of a gray, dirty-white, brownish-green, or green color, a silicate of iron and manganese, belonging to the chrysolite group, found at Ilmenau in Thuringia and at Dannemora in Sweden.


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