Location Found: Franklin and Ogdensburg
 Year Discovered: 1840
 Formula: CdS
 Essential Elements: Cadmium, Sulfur
 All Elements in Formula: Cadmium, Sulfur
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Fluorescent Mineral Properties

 Longwave UV light: Cherry red
 To find out more about this mineral at minDat's website, follow this link   Greenockite

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.533

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.59

The Picking Table References
 PT Issue and PageDescription / Comment
V. 57, No. 2 - Fall 2016, pg. 18Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 1, Richard C. Bostwick - Greenockite
View IssueV. 51, No. 1 - Spring 2010, pg. 8A Forensic Analysis of Purported Greenockite (Cadmium Sulfide) From Sterling Hill
View IssueV. 20, No. 2 - September 1979, pg. 8Contributions to the Mineralogy of Franklin and Sterling Hill New Jersey, Greenockite (small article)

Greenockite, willemite, calcite, franklinite, Franklin, NJ
Greenockite (golden yellow), willemite (pink to reddish brown), calcite (white), and franklinite (black), from Franklin, NJ. Actual image width 2" (25 mm). From the collection of, and photo by WP.

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