Location Found: Franklin and Ogdensburg
 Year Discovered: 1932
 Formula: Mn52+(SiO4)2(OH)2
 Essential Elements: Hydrogen, Manganese, Oxygen, Silicon
 All Elements in Formula: Hydrogen, Manganese, Oxygen, Silicon
 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   Alleghanyite

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.348

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.40

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 27 No. 2 - Fall 1986, pg. 19A Highly Magnesian Alleghanyite From Sterling Hill, New Jersey
View IssueV. 27 No. 2 - Fall 1986, pg. 28Mineral Notes Research Reports, Magnesian Alleghanyite
View IssueV. 27, No. 1 - Spring 1986, pg. 7Mineral Notes Research Reports, Alleghanyite
View IssueV. 24, No. 1 - Spring 1983, pg. 4Recent Mineral Occurrences at Sterling Hill, Stephen B. Sanford, Alleghanyite
View IssueV. 15, No. 1 - February 1974, pg. 10Research Reports - Alleghanyite (small article)
View IssueV. 11, No. 1 - February 1970, pg. 6Mineral Data - Sonolite, Alleghanyite, Leucophoenicite
View IssueV. 11, No. 1 - February 1970, pg. 8Mineral Data - Alleghanyite

Alleghanyite crystals, rhodochrosite, hetaerolite crystals and chlorophoenicite crystals from Franklin, NJ
Alleghanyite crystals (dark red), rhodochrosite (pink), hetaerolite crystals (black) and chlorophoenicite crystals (white needles) from Franklin, NJ. From the collection of, and photo by Robert A. Boymistruk.

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