Nŏn’tro-nite, n.
(47), n. [From being found in the arrondissement of Nontron, France.] (Min.) A greenish-yellow or green mineral, consisting chiefly of the hydrous silicate of alumina.
(47), n. [From being found in the arrondissement of Nontron, France.] (Min.) A greenish-yellow or green mineral, consisting chiefly of the hydrous silicate of alumina.