Duftite, a lead copper arsenate hydroxide mineral, was reported from Sterling Hill by Jenkins (1993b). It was found in fractured marble at two localities within the mine. One of these was in a gravity tram; the other was in the east limb, in an old open stope north of the East Shaft and north of the (old) 150-level shaft station. Duftite occurred as bright-green 0.5 mm coatings and as extremely small microcrystals. Associated minerals in the gravity tram assemblage are anglesite, azurite, brochantite, galena, goethite, greenockite, and malachite. In the east limb assemblage the associated minerals are brochantite, goethite, tennantite, and two unknown minerals. (Dunn, 1995)

 Location Found: Ogdensburg
 Year Discovered: 1920
 Formula: PbCu(AsO4)(OH)
 Essential Elements: Arsenic, Copper, Hydrogen, Lead, Oxygen
 All Elements in Formula: Arsenic, Copper, Hydrogen, Lead, Oxygen
 IMA Status: Approved
 To find out more about this mineral at minDat's website, follow this link   Duftite

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.667

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 34, No. 2 - Fall 1993, pg. 6Duftite From The Sterling Mine Ogdensburg, New Jersey

Duftite on Franklin marble
Duftite (light green) on Franklin marble from the 180 ft level Sterling Hill Mine. Field of view 1/2" (11mm). From the collection of Mark Dahlman, photo by WP.

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