Emily Dickinson Lexicon

MEN'I-LITE, a.

A mineral substance found at Menil Montant near Paris, of the nature of silex, of a brown liver color on the interior, and ordinarily of a clear blue on the surface. It is found in the shape of the kidneys, of the size of the hand or larger; sometimes in globules of the size of a nut. Dict. Nat. Hist.