Location Found: Franklin and Ogdensburg
 Year Discovered: 1823
 Formula: CaAl2Si2O8
 Essential Elements: Aluminum, Calcium, Oxygen, Silicon
 All Elements in Formula: Aluminum, Calcium, Oxygen, Silicon
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Fluorescent Mineral Properties

 Shortwave UV light: Pale yellow
 Additional Information: Rare, associated with corundum. Franklin Marble assemblage.
 To find out more about this mineral at minDat's website, follow this link   Anorthite

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.508

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.41

The Picking Table References
 PT Issue and PageDescription / Comment
V. 57, No. 2 - Fall 2016, pg. 12Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 1, Richard C. Bostwick - Anorthite
View IssueV. 32, No. 1 - Spring 1991, pg. 8An Uncommon Margarite/Corundum Assemblage From Sterling Hill, New Jersey, Pete J. Dunn, Clifford Frondel, Anorthite (small description)
View IssueV. 15, No. 2 - August 1974, pg. 10Fluorescent Corner - Anorthite
View IssueV. 13, No. 2 - August 1972, pg. 11The Fluorescent Minerals of Franklin/Ogdensburg Area by Frank Z. Edwards - Anorthite (Fluorescent Info)
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