Johnbaumite





 Location Found: Franklin (Type Locality) and Ogdensburg
     
 
 Year Discovered: 1980
     
 Formula: Ca5(AsO4)3OH
 Essential Elements: Arsenic, Calcium, Hydrogen, Oxygen
 All Elements in Formula: Arsenic, Calcium, Hydrogen, Oxygen
     
 IMA Status: Approved 1980
     
Fluorescent Mineral Properties

 Shortwave UV light: Bright to weak orange
 Mid wave UV light: Orange
 Longwave UV light: Orange
 Additional Information: Brightest at shortwave
     
 To find out more about this mineral at minDat's website, follow this link   Johnbaumite

     
 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.651


The Picking Table References
 PT Issue and PageDescription / Comment
V. 58, No. 1 - Spring 2017, pg. 11Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 2, Richard C. Bostwick - Johnbaumite
View IssueV. 45, No. 1 - Spring 2004, pg. 12The Art of Fluorescent Mineral Photography, With Special Attention to the Minerals of Franklin and Sterling Hill Photographing the More Popular Franklin and Sterling Hill Fluorescent Minerals - Johnbaumite
View IssueV. 35, No. 1 - Spring 1994, pg. 21Geology and Mineralogy of a Veinlet Assemblage Associated With Wollastonite-Bearing Rocks, Sterling Mine, Ogdensburg, New Jersey, Robert E. Jenkins II - Johnbaumite
View IssueV. 33, No. 2 - Fall 1992, pg. 11The Check List of Franklin-Sterling Hill Fluorescent Minerals - Johnbaumite (Fluorescent Info)
View IssueV. 22, No. 1 - March 1981, pg. 4Mineral Notes Research Reports, Johnbaumite
View IssueV. 21, No. 2 - September 1980, pg. 5A Mineral New To Science, Johnbaumite
     
Images

     
Johnbaumite vein in franklinite and willemite ore from Franklin, NJJohnbaumite vein in franklinite and willemite ore from Franklin, NJ under shortwave UV Light
Johnbaumite vein in franklinite and willemite ore from Franklin, NJ. 3" x 3". From the collection of Zack and Ralph Bonard, photo by WP.
Johnbaumite vein in franklinite and willemite ore from Franklin, NJ under shortwave UV light. The johnbaumite fluoresces orange, willemite green, and the franklinite is non-fluorescent. 3" x 3". From the collection of Zack and Ralph Bonard, photo by WP.







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