knebelite definition

  • noun:
    • A silicate mineral, a manganese variety of fayalite that forms dark-green orthorhombic crystals.
    • A mineral of a gray, purple, brown, or green shade, and glistening luster. It is a silicate of metal and manganese.
    • A mineral of a gray, dirty-white, brownish-green, or green color, a silicate of metal and manganese, from the chrysolite team, bought at Ilmenau in Thuringia at Dannemora in Sweden.
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