DESCLOIZITE



Descloizite, a lead zinc vanadate hydroxide mineral, was described from Sterling Hill by Palache (1935). It occurs in 0.3 mm yellow crystals which have a rough surface. Partial analysis of these crystals indicates they are arsenian, with V:As approximately 3:1, in partial solid solution towards arsendescloizite. It is exceedingly rare, occurring with altered augite, and is unknown from Franklin. It is best verfied using both chemical and X-ray methods.
The Franklin occurrence of "descloizite" reported by Palache (1935) is that of pyrobelonite (Dunn, 1983a). (Dunn, 1995)

 Location Found: Ogdensburg
     
 
 Year Discovered: 1854
     
 Formula: Pb(Zn,Cu)(VO4)(OH)
 Essential Elements: Hydrogen, Lead, Oxygen, Vanadium, Zinc
 All Elements in Formula: Copper, Hydrogen, Lead, Oxygen, Vanadium, Zinc
     
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
     
     
 To find out more about this mineral at minDat's website, follow this link   Descloizite

     
 References:
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.666

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.53
     
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