Diopside





 Location Found: Franklin and Ogdensburg
     
 
     
 Formula: CaMgSi2O6
 Essential Elements: Calcium, Magnesium, Oxygen, Silicon
 All Elements in Formula: Calcium, Magnesium, Oxygen, Silicon
     
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
     
Fluorescent Mineral Properties

 Shortwave UV light: Fairly bright pale blue
 Mid wave UV light: Weak pale orange-yellow
 Longwave UV light: Weak pale orange-yellow
 Additional Information: Fluoresces weakest longwave
     
 To find out more about this mineral at minDat's website, follow this link   Diopside

     
 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.432

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.53


The Picking Table References
 PT Issue and PageDescription / Comment
V. 57, No. 2 - Fall 2016, pg. 16Fluorescent Minerals of Franklin and Sterling Hill, N.J., Part 1, Richard C. Bostwick - Diopside
View IssueV. 45, No. 1 - Spring 2004, pg. 10The 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 - Diopside
View IssueV. 33, No. 2 - Fall 1992, pg. 10The Check List of Franklin-Sterling Hill Fluorescent Minerals - Diopside (Fluorescent Info)
View IssueV. 30, No. 1 - Spring 1989, pg. 8The Epidote-Pyroxene-Fluorapophyllite Assemblage in the Franklin Mine at Franklin, New Jersey, Philip P. Betancourt, Diopside (small description)
View IssueV. 18, No. 1 - March 1977, pg. 24The Fluorescent Minerals of Franklin and Sterling Hill, NJ by Richard C. Bostwick - Diopside
View IssueV. 13, No. 2 - August 1972, pg. 12The Fluorescent Minerals of Franklin/Ogdensburg Area by Frank Z. Edwards - Diopside (Fluorescent Info)
     
Images

     
Diopside and phlogopite mica in franklin marble, Franklin NJDiopside and phlogopite mica in franklin marble, Franklin NJ under shortwave UV Light
Diopside (gray) and phlogopite mica (light brown) in franklin marble, Franklin NJ. Photo by JVF
Diopside and phlogopite mica in franklin marble, Franklin NJ under shortwave UV light. The diopside fluoresces light blue and phlogopite straw yellow, the marble is non-fluorescent.


Diopside "zinc schefferite", willemite with minor franklinite and rhodonite, from Franklin, NJDiopside "zinc schefferite", willemite with minor franklinite and rhodonite, from Franklin, NJ under shortwave UV Light
Diopside "zinc schefferite" (tan to brown), willemite (white to light green) with minor franklinite (black) and rhodonite (pink), from Franklin, NJ. 5" x 2 1/2". Photo by WP.
Diopside "zinc schefferite", willemite with minor franklinite and rhodonite, from Franklin, NJ under shortwave UV light. The willemite fluoresces green, the diopside, franklinite and rhodonite are non-fluorescent 5" x 2 1/2". Photo by WP.







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