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dufrenite |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Dufrenite \Du*fren"ite\, n. [From ??ierre Armand Dufr['e]noy, a French geologist.] (Min.) A mineral of a blackish green color, commonly massive or in nodules. It is a hydrous phosphate of iron.