Location Found: Franklin (Type Locality)
 Year Discovered: 1984
 Formula: K6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216 · 16H2O
 Essential Elements: Hydrogen, Magnesium, Oxygen, Potassium, Silicon
 All Elements in Formula: Aluminum, Hydrogen, Iron, Magnesium, Manganese, Oxygen, Potassium, Silicon, Zinc
 IMA Status: Approved
 To find out more about this mineral at minDat's website, follow this link   Lennilenapeite

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.474

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 25 No. 2 - Fall 1984, pg. 5Mineral Notes New To Science, Lennilenapeite
View IssueV. 24 No. 2 - Fall 1983, pg. 8Mineral Notes New To Science, Lennilenapeite

Lennilenapeite on dolomite from Franklin, NJ
Lennilenapeite (metallic gray-green) on dolomite (white) from Franklin, NJ. 3 1/4" x 2 1/8". From the collection of, and photo by Robert A. Boymistruk.

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