Edenite





 Location Found: Franklin and Ogdensburg
     
 Mineral Note: Possibly fluoro-edenite; further analyses needed to establish F:OH ratios.
 Year Discovered: 1839
     
 Formula: {Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
 Essential Elements: Aluminum, Calcium, Hydrogen, Magnesium, Oxygen, Silicon, Sodium
 All Elements in Formula: Aluminum, Calcium, Hydrogen, Magnesium, Oxygen, Silicon, Sodium
     
 IMA Status: Approved
     
     
 To find out more about this mineral at minDat's website, follow this link   Edenite

     
 References:
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.454

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.54


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 18, No. 1 - March 1977, pg. 24The Fluorescent Minerals of Franklin and Sterling Hill, NJ by Richard C. Bostwick - Edenite
View IssueV. 15, No. 2 - August 1974, pg. 14Other Mineral Notes - Edenite
     
Images

     
Edenite crystals from Franklin, NJ
Edenite crystals (dark gray-green) from Franklin, NJ. Field of view 1 1/8" (29 mm). From the collection of Mark Dahlman, photo by WP.







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