• Webster's Revised Unabridged Dictionary
    • n Leucophane (Min) A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite.
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Century Dictionary and Cyclopedia
    • n leucophane An imperfectly crystallized mineral, of a pale greenish or wine-yellow color. It is a fluosilicate of beryllium, calcium, and sodium, and is found in Norway. Also called leucophanite.
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Webster's Revised Unabridged Dictionary
Gr. leykofanh`s appearing bright or white; leyko`s white + fai`nein to show: cf. G. leukophan,