• Webster's Revised Unabridged Dictionary
    • n Keilhauite kīl"hou*īt (Min) A mineral of a brownish black color, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria.
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Century Dictionary and Cyclopedia
    • n keilhauite A rare Norwegian mineral, related to titanite in form; a silicotitanate of iron, aluminium, yttrium, and calcium.
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