Actinolite





 Location Found: Franklin and Ogdensburg
     
 
     
 Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
 Essential Elements: Calcium, Hydrogen, Iron, Magnesium, Oxygen, Silicon
 All Elements in Formula: Calcium, Hydrogen, Iron, Magnesium, 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   Actinolite

     
 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.451

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.39


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 30, No. 1 - Spring 1989, pg. 8The Epidote-Pyroxene-Fluorapophyllite Assemblage in the Franklin Mine at Franklin, New Jersey, Philip P. Betancourt, Actinolite (small description)
     
Images

     
Actinolite, rhodonite, willemite and andradite garnet from Franklin New Jersey
Actinolite (dark green), rhodonite (pink), willemite (gray) and andradite garnet (golden brown) from Franklin New Jersey. 2.5"x2". From the collection of Zack and Ralph Bonard, photo by WP.







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