Location Found: Franklin and Ogdensburg
 Formula: SiO2 · nH2O
 Essential Elements: Hydrogen, Oxygen, Silicon
 All Elements in Formula: Hydrogen, Oxygen, Silicon
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Fluorescent Mineral Properties

 Shortwave UV light: Fairly bright green
 Additional Information: Nonfluorescent opal has previously been reported from the Buckwheat Dump.
 To find out more about this mineral at minDat's website, follow this link   Opal

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 58, No. 1 - Spring 2017, pg. 14Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 2, Richard C. Bostwick - Opal
View IssueV. 57, No. 1 - Spring 2016, pg. 23Fluorescent Opal From the Franklin-Ogdensburg Area, New Jersey, Earl R. Verbeek, PhD
View IssueV. 50, No. 1 - Spring 2009, pg. 17Mineral #357 Found at Franklin, NJ, Reprinted from the Mineral News Vol. 24 No.11, Dr. Steven Kuitems, Joe Orosz and Tony Nikischer
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