資料來源 : pyDict

綠磷鐵礦

資料來源 : Webster's Revised Unabridged Dictionary (1913)

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.