Opal





 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
V. 58, No. 1 - Spring 2017, pg. 14Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 2, Richard C. Bostwick - Opal
V. 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
     
No Images at this time.

     





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