Ojuelaite, a zinc ferric-iron arsenate hydroxide hydrate mineral, was found at Sterling Hill in 1979. It occurs as greenish-yellow fibrous masses which form very thin, sparse coatings on black-willemite ore. It was verified using X-ray methods and confirmed by partial microprobe analysis which showed Zn, Fe, and As to be the major constituents. It has not been found at Franklin. (Dunn, 1995)

 Location Found: Ogdensburg
 Year Discovered: 1979
 Formula: ZnFe23+(AsO4)2(OH)2 · 4H2O
 Essential Elements: Arsenic, Hydrogen, Iron, Oxygen, Zinc
 All Elements in Formula: Arsenic, Hydrogen, Iron, Oxygen, Zinc
 IMA Status: Approved 1979
 To find out more about this mineral at minDat's website, follow this link   Ojuelaite

Dunn, Pete J. (1995). Franklin and Sterling Hill New Jersey: the world's most magnificent mineral deposits. Franklin, NJ.: The Franklin-Ogdensburg Mineralogical Society. p.675

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