Woodruffite





 Location Found: Ogdensburg (Type Locality)
     
 
 Year Discovered: 1953
     
 Formula: Zn(Mn4+,Mn3+)5O10·3½H2O
 Essential Elements: Hydrogen, Manganese, Oxygen, Zinc
 All Elements in Formula: Hydrogen, Manganese, Oxygen, 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   Woodruffite

     
 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.606

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.84


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 18, No. 1 - March 1977, pg. 13The Post Palache Minerals - Woodruffite
View IssueV. 9, No. 1 - February 1968, pg. 16The Exclusive Minerals of Franklin/Ogdensburg, N.J. (as of January 1968) by Frank Z. Edwards - Woodruffite (Short Note)
View IssueV. 5, No. 2 - August 1964, pg. 13Woodruffite (small article)
     
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