Orthoserpierite, a calcium copper sulfate hydroxide hydrate mineral, was verified from Sterling Hill by [Dunn] using X-ray and chemical methods; it is unknown from Franklin.
A second occurrence was described in more detail by Jenkins (1992) from the 1060 pillar, 430 level, at coordinates 1060N, 1210W, in the Sterling Mine. Orthoserpierite from this occurrence was verified by X-ray diffraction and energy-dispersive microprobe analyses. It occurs as bright blue-green, rectangular, prismatic crystals, commonly bent or kinked, and 0.5 to 1.0 mm in cross-section, associated with aurichalcite and friedelite (Jenkins, 1992). (Dunn, 1995)

 Location Found: Ogdensburg
 Year Discovered: 1985
 Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
 Essential Elements: Calcium, Copper, Hydrogen, Oxygen, Sulfur
 All Elements in Formula: Calcium, Copper, Hydrogen, Oxygen, Sulfur, Zinc
 IMA Status: Approved
 To find out more about this mineral at minDat's website, follow this link   Orthoserpierite

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.639

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 33, No. 2 - Fall 1992, pg. 12Orthoserpierite at Sterling Hill, New Jersey
View IssueV. 27 No. 2 - Fall 1986, pg. 27Mineral Notes New To Science, Orthoserpierite
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