Schallerite





 Location Found: Franklin (Type Locality)
     
 
 Year Discovered: 1924
     
 Formula: (Mn,Fe)16Si12As3O36(OH)17
 Essential Elements: Arsenic, Hydrogen, Manganese, Oxygen, Silicon
 All Elements in Formula: Arsenic, 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   Schallerite

     
 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.481

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.75


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 29, No. 2 - Fall 1988, pg. 3Notes from the Laboratory & Changes to the List of Species From Franklin and Sterling Hill, Pete J. Dunn, John L. Baum, Changes to the Unique List, Schallerite
View IssueV. 23, No. 1 - Spring 1982, pg. 9Mineral Notes Research Reports, Schallerite
View IssueV. 23, No. 1 - Spring 1982, pg. 11Additional Information on Schallerite and Friedelite and Caryopilite, Pete J. Dunn
View IssueV. 17, No. 2 - September 1976, pg. 4Mineral Notes - Schallerite (small article)
View IssueV. 9, No. 1 - February 1968, pg. 16The Exclusive Minerals of Franklin/Ogdensburg, N.J. (as of January 1968) by Frank Z. Edwards - Schallerite (Short Note)
     
Images

     
Schallerite (sperules), rhodonite, calcite, willemite and franklinite from Franklin, NJ
Schallerite (reddish brown sperules), rhodonite (pink), calcite (white), willemite (greenish tan) and franklinite (black) from Franklin, NJ. Photo by Robert A. Boymistruk.







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