Location Found: Ogdensburg
 Formula: ☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
 Essential Elements: Aluminum, Calcium, Hydrogen, Iron, Oxygen, Silicon
 All Elements in Formula: Aluminum, Calcium, Hydrogen, Iron, Oxygen, Silicon
 IMA Status: Approved
 To find out more about this mineral at minDat's website, follow this link   Ferro-hornblende

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.455. 'Hornblende'

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 10, No. 2 - August 1969, pg. 9Mineral Notes - Gamisgradite (=Hornblende)(Short Note)
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