Friedelite





 Location Found: Franklin and Ogdensburg
     
 
 Year Discovered: 1876
     
 Formula: (Mn,Fe)8Si6O15(OH,Cl)10
 Essential Elements: Hydrogen, Manganese, Oxygen, Silicon
 All Elements in Formula: Chlorine, Hydrogen, Iron, Manganese, 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   Friedelite

     
 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.475

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.57


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 35, No. 2 - Fall 1994, pg. 21A Complex Base-Metal Assemblage From the Sterling Mine New Jersey - Friedelite
View IssueV. 34, No. 1 - Spring 1993, pg. 13The Flinktie / Cahntie / Jarosewichite Assemblage From Franklin, New Jersey, Vandall T. King - Friedelite
View IssueV. 29, No. 2 - Fall 1988, pg. 14Mineral Notes Research Reports, Friedelite
View IssueV. 23, No. 1 - Spring 1982, pg. 10Mineral Notes Research Reports, Relationship Between McGillite and Friedelite
View IssueV. 23, No. 1 - Spring 1982, pg. 11Additional Information on Schallerite and Friedelite and Caryopilite, Pete J. Dunn
View IssueV. 19, No. 2 - September 1978, pg. 5Recent Mineral Occurrences at Sterling Hill by Stephen Sanford - Friedelite (small article)
View IssueV. 10, No. 2 - August 1969, pg. 9Mineral Notes - Friedelite
View IssueV. 7, No. 2 - August 1966, pg. 8The Minerals of Sterling Hill 1962-65 by Frank Z. Edwards - Friedelite
     
Images

     
Vein of massive brown friedelite in willemite, calcite, franklinite, Sterling Hill Mine
Vein of massive brown friedelite in willemite / calcite / franklinite ore from Sterling Hill, New Jersey. Photo by JVF



Friedelite vein (gemmy), calcite and franklinite from Sterling Hill Mine, NJ.
Friedelite vein (gemmy red to pink), calcite (white) and franklinite (black) from Sterling Hill Mine, NJ. From the collection of, and photo by Robert A. Boymistruk.


Friedelite, green willemite and serpentine from Franklin, NJFriedelite, green willemite and serpentine from Franklin, NJ under shortwave UV Light
Friedelite (pinkish-orange), willemite (mint green) and serpentine (brown) from Franklin, NJ. From the collection of, and photo by Robert A. Boymistruk.
Friedelite, willemite and serpentine from Franklin, NJ under shortwave UV light. The willemite fluoresces green, the friedelite and serpentine are non-fluorescent. From the collection of, and photo by Robert A. Boymistruk.


Friedelite crystals on calcite, franklinite matrix from Sterling Hill Mine, Ogdensburg, NJ
Friedelite crystals (light brown) on calcite, franklinite matrix from Sterling Hill Mine, Ogdensburg, NJ. 2" x 2". From the collection of Zack and Ralph Bonard, photo by WP.







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