Tremolite





 Location Found: Franklin and Ogdensburg
     
 
 Year Discovered: 1789
     
 Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
 Essential Elements: Calcium, Hydrogen, Magnesium, Oxygen, Silicon
 All Elements in Formula: Calcium, Hydrogen, Magnesium, Oxygen, Silicon
     
 IMA Status: Approved
     
Fluorescent Mineral Properties

 Shortwave UV light: Fairly bright pale blue
 Mid wave UV light: Weak yellow
 Longwave UV light: Weak yellow
     
 To find out more about this mineral at minDat's website, follow this link   Tremolite

     
 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.459

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.81


The Picking Table References
 PT Issue and PageDescription / Comment
V. 58, No. 1 - Spring 2017, pg. 20Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 2, Richard C. Bostwick - Tremolite
View IssueV. 45, No. 1 - Spring 2004, pg. 14The 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 - Tremolite
View IssueV. 33, No. 2 - Fall 1992, pg. 11The Check List of Franklin-Sterling Hill Fluorescent Minerals - Tremolite (Fluorescent Info)
View IssueV. 27 No. 2 - Fall 1986, pg. 10Minerals of the Franklin Quarry, Philip P. Betancourt, Tremolite
View IssueV. 18, No. 2 - September 1977, pg. 20The Fluorescent Minerals of Franklin and Sterling Hill, NJ by Richard C. Bostwick - Tremolite
View IssueV. 13, No. 2 - August 1972, pg. 13The Fluorescent Minerals of Franklin/Ogdensburg Area by Frank Z. Edwards - Tremolite (Fluorescent Info)
View IssueV. 7, No. 2 - August 1966, pg. 14The Minerals of Sterling Hill 1962-65 by Frank Z. Edwards - Tremolite (small article)
     
Images

     
Tremolite crystal sprays in franklin marble from the Franklin Quarry Franklin, NJTremolite crystal sprays in franklin marble from the Franklin Quarry Franklin, NJ under shortwave UV Light
Tremolite crystal sprays (gray) in franklin marble from the Franklin Quarry Franklin, NJ. Photo by JVF.
Tremolite crystal sprays in franklin marble from the Franklin Quarry Franklin, NJ under shortwave UV light. The tremolite fluoresces bright blue-white and the marble is non-fluorescent. Photo by JVF.







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