Marcasite



Marcasite, an iron sulfide mineral, was reported from the Franklin Marble by Palache (1935), from sulfide veinlets in ore by Frondel (1972), and from the Buckwheat Dolomite by Peters et al. (1983). No additional studies are known. Marcasite is brassy yellow and massive material is very similar to pyrite in appearance. It has been verified as a druse crust with calcite from the 1750 level at Sterling Hill by [Dunn]. The mineral is metastable and decomposes upon exposure. (Dunn, 1995)

 Location Found: Franklin
     
 
     
 Formula: FeS2
 Essential Elements: Iron, Sulfur
 All Elements in Formula: Iron, Sulfur
     
 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   Marcasite

     
 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.535

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
View IssueV. 27 No. 2 - Fall 1986, pg. 6Minerals of the Franklin Quarry, Philip P. Betancourt, Marcasite
View IssueV. 24 No. 2 - Fall 1983, pg. 15Minerals of the Buckwheat Dolomite Franklin, New Jersey, Marcasite (small description)
View IssueV. 7, No. 2 - August 1966, pg. 11The Minerals of Sterling Hill 1962-65 by Frank Z. Edwards - Marcasite (small article)
     
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