Pharmacosiderite





 Location Found: Ogdensburg
     
 
 Year Discovered: 1813
     
 Formula: KFe43+(AsO4)3(OH)4 · 6-7H2O
 Essential Elements: Arsenic, Hydrogen, Iron, Oxygen, Potassium
 All Elements in Formula: Arsenic, Hydrogen, Iron, Oxygen, Potassium
     
 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   Pharmacosiderite

     
 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.677


The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 19, No. 2 - September 1978, pg. 5Recent Mineral Occurrences at Sterling Hill by Stephen Sanford - Pharmacosiderite (small article)
View IssueV. 14, No. 1 - February 1973, pg. 8Mineral Notes - Pharmacosiderite (small article)
     
Images

     
Pharmacosiderite, calcite and willemite from Sterling Hill Mine, Ogdensburg, NJ
Pharmacosiderite (green cubes), calcite (white, brown) and willemite (dark brown) from Sterling Hill Mine, Ogdensburg, NJ. Field of view 3/4". From the collection of, and photo by Robert A. Boymistruk.







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