• Webster's Revised Unabridged Dictionary
    • n Franklinite (Min) A kind of mineral of the spinel group.
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Century Dictionary and Cyclopedia
    • n franklinite An oxid of iron, zinc, and manganese, belonging to the spinel group. It occurs in octahedral crystals and rounded grains, of a black color and metallic luster; it resembles magnetite, but is feebly it at all magnetic. It is found in New Jersey near the village of Franklin or Franklin furnace (whence the name), associated with the zinc oxid zincite, the zinc silicate willemite, the manganese silicates rhodonite and tephroite, and other species.
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