Fluckite, a calcium manganese arsenate hydrate mineral, was reported by Dr. Sidney Williams (quotation from a letter was published in the The Picking Table, 28, #2, p.3) from Sterling Hill, where it occurred as corroded dull white prismatic crystals in a vuggy leached vein cutting massive friedelite. It has not been reported from Franklin. (Dunn, 1995)

 Location Found: Ogdensburg
 Year Discovered: 1980
 Formula: CaMn2+(HAsO4)2 · 2H2O
 Essential Elements: Arsenic, Calcium, Hydrogen, Manganese, Oxygen
 All Elements in Formula: Arsenic, Calcium, Hydrogen, Manganese, Oxygen
 IMA Status: Approved
 To find out more about this mineral at minDat's website, follow this link   Fluckite

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.668

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 29 No. 1 - Spring 1988, pg. 7Notes from the Laboratory & Changes to the List of Species From Franklin and Sterling Hill, Pete J. Dunn, John L. Baum, Additions to the list, Fluckite
View IssueV. 28, No. 2 - Fall 1987, pg. 3Fluckite - Small description by Sid Williams
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