Jacobsite





 Location Found: Franklin
     
 
 Year Discovered: 1869
     
 Formula: Mn2+Fe23+O4
 Essential Elements: Iron, Manganese, Oxygen
 All Elements in Formula: Iron, Manganese, Oxygen
     
 IMA Status: Approved
     
     
 To find out more about this mineral at minDat's website, follow this link   Jacobsite

     
 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.581


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 32, No. 1 - Spring 1991, pg. 15Mineral Notes, Research Reports, Manganese-Rich Ore Assemblages, Jacobsite (small description)
View IssueV. 12, No. 2 - August 1971, pg. 7New Minerals for Franklin-Sterling Validated List - Jacobsite (small article)
     
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