Mcgovernite





 Location Found: Ogdensburg (Type Locality), unique to Franklin/Ogdensburg area
     
 Mineral Note: Mcgovernite can be distinguished from kraisslite by its lighter color and crystal sprays.
 Year Discovered: 1927
     
 Formula: Mn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21
 Essential Elements: Arsenic, Hydrogen, Manganese, Oxygen, Silicon, Zinc
 All Elements in Formula: Arsenic, Hydrogen, Manganese, Oxygen, Silicon, 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   Mcgovernite

     
 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.500

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.67


The Picking Table References
 PT Issue and PageDescription / Comment
V. 59, No. 2 - Fall 2018, pg. 18Hydrothermal Mineral Deposition in a Rock-Dominated Fluid System at Sterling Hill, New Jersey - Mcgovernite and zincite
View IssueV. 34, No. 2 - Fall 1993, pg. 16Recent Mineral Finds From The Sterling Mine Ogdensburg, New Jersey - Mcgovernite
View IssueV. 29, No. 2 - Fall 1988, pg. 3Notes from the Laboratory & Changes to the List of Species From Franklin and Sterling Hill, Pete J. Dunn, John L. Baum, New Formula, Mcgovernite
View IssueV. 22, No. 2 - September 1981, pg. 7Mineral Notes Research Reports, Kraisslite and Mcgovernite
View IssueV. 9, No. 1 - February 1968, pg. 15The Exclusive Minerals of Franklin/Ogdensburg, N.J. (as of January 1968) by Frank Z. Edwards - McGovernite (Short Note)
View IssueV. 2, No. 1 - February 1961, pg. 5Mcgovernite and Dixenite (small article)
     
Images

     
Mcgovernite mineral coating on calcite, zincite and franklinite from Sterling Hill, NJ.
Mcgovernite mineral coating on calcite (white), zincite (red) and franklinite (black) from Sterling Hill, NJ. Photo by JVF.


Mcgovernite sprays, calcite, franklinite and willemite from Sterling Hill, NJ.
Mcgovernite (brassy sprays), calcite (white), franklinite (black) and willemite (peach) from Sterling Hill, NJ. From the collection of, and photo by Robert A. Boymistruk.







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