Webster’s Revised Unabridged Dictionary · 1913
Dufrenite
Du·fren′ite (dṳ·frĕn′īt), n. [From Pierre Armand Dufrénoy, a French geologist.] (Min.) A mineral of a blackish green color, commonly massive or in nodules. It is a hydrous phosphate of iron.
Webster’s Revised Unabridged Dictionary · 1913
Du·fren′ite (dṳ·frĕn′īt), n. [From Pierre Armand Dufrénoy, a French geologist.] (Min.) A mineral of a blackish green color, commonly massive or in nodules. It is a hydrous phosphate of iron.