Location Found: Franklin and Ogdensburg
 Formula: FeAsS
 Essential Elements: Arsenic, Iron, Sulfur
 All Elements in Formula: Arsenic, 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   Arsenopyrite

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.526

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.43

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 34, No. 2 - Fall 1993, pg. 14Recent Mineral Finds From The Sterling Mine Ogdensburg, New Jersey - Arsenic-Bearing Minerals
View IssueV. 32, No. 1 - Spring 1991, pg. 8An Uncommon Margarite/Corundum Assemblage From Sterling Hill, New Jersey, Pete J. Dunn, Clifford Frondel, Arsenopyrite (small description)
View IssueV. 27 No. 2 - Fall 1986, pg. 5Minerals of the Franklin Quarry, Philip P. Betancourt, Arsenopyrite
View IssueV. 24 No. 2 - Fall 1983, pg. 11Minerals of the Buckwheat Dolomite Franklin, New Jersey, Arsenopyrite (small description)
View IssueV. 20, No. 2 - September 1979, pg. 5Contributions to the Mineralogy of Franklin and Sterling Hill New Jersey, Arsenopyrite (small article)

Arsenopyrite on Franklin marble from Braen Franklin Quarry, Franklin, NJ
Arsenopyrite (metallic silver) on Franklin marble from Braen Franklin Quarry, Franklin, NJ. 4" x 2". Photo by WP.

All content including, but not limited to, mineral images, maps, graphics, and text on the Franklin-Ogdensburg Mineralogical Society, Inc. (FOMS) website is licensed under a
Creative Commons Attribution-NonCommercial 4.0 International License.
Creative Commons License