Fluorescent Minerals For Sale:  Page 1

Franklin & Sterling Hill

Important:  Fluorescent minerals require a special ultraviolet lamp to view them (normally, a short-wave UV lamp).  It's worth it to get a good lamp.

The color response of your computer's monitor may not be the best representation of the photographs. The colors shown in the photos, at least as they appear on our office monitor, are the most accurate representations we were able to capture with the limitations of the camera.

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Fluorapatite & Willemite - Franklin, NJ (#F565)

Fluorapatite & Willemite in honey-colored andradite with "zinc schefferite" (pyroxene).   The willemite is purple in daylight, giving it the varietal name "grape willemite".    A distinctively Franklin assemblage. 

Specimen has a hairline crack in the andradite, toward the right-hand side (see white-light photo).  However, it does not go all the way through the specimen.

Size:  approx. 3" x 1 1/2" x 1 3/4".
Ship. wt. 1.2 lbs

#F565 ... $27.00

Fluoborite - Sparta, NJ (#F566)

Fluoborite (FL whitish SW) in marble.  Also with NF chondrodite, graphite, and a mineral that resembles arsenopyrite or pyrrhotite.  Lime Crest Quarry, Sparta, NJ. 

Fluoborite is one of the more unusual fluorescent minerals.  Only rarely have we had it for sale.  This is a large specimen that was collected at surface level at the quarry, c. 2001.

Size:  approx. 8 1/2 x 4 x 1 1/8 inches. 
Ship. wt. 3 lbs.

#F566 .... SOLD 

Hardystonite, Calcite, & Willemite - Franklin, NJ (#F597)


Hardystonite, Calcite, & Willemite
Franklin, New Jersey

A 3-color fluorescent specimen (hardystonite: blue-violet SW; calcite: red SW; willemite: green SW.)  There is a crack part-way across the upper third of the specimen (see photo), but it does not seem to go completely through the rock.  Back of specimen is weathered.

This rock contains some bustamite which is only very weakly FL in SW UV.  It is somewhat more visible in LW, if only a bit.  In daylight it has an ever-so-slight, pastel pink coloration. 

Size approx. 2 1/2" x 1 1/2" x 3/4"

Ship. wt. 0.5 lb

#F597 ... SOLD

Hardystonite & Willemite - Franklin, NJ (#F584)


Hardystonite & Willemite
Franklin, New Jersey

Hardystonite (FL blue-violet SW) and willemite (FL green SW) with franklnite (NF).

Size approx. 2 3/4" x 2" x 2 1/2"
Ship. wt. 2 lbs.

#F584 ... SOLD

Norbergite & Diopside - Ogdensburg, NJ (#F596)

Norbergite & Diopside - Ogdensburg, NJ.  
Norbergite:  FL yellow SW 
Diopside:  FL blue-white SW

A large specimen measuring about 6" x 3" x 2".  Relatively good coverage / density of norbergite.

Ship. wt. 3 lbs.

F596 ... SOLD

Sphalerite & Willemite - Sterling Hill, Ogdensburg, NJ (#F559)

Sphalerite & Willemite - Sterling Hill Mine, Ogdensburg, NJ.  
Sphalerite:  FL orange SW, MW, and LW. 
Willemite:  FL green SW

Specimen size approx. 3 1/4 x 2 x 1 inches

Ship. wt. 1 lb.

F559 ... $28.00

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Fluorescent minerals require a special lamp to view the colors you see in the photos.  Most of the specimens shown above react to short-wave ultraviolet (SW UV or "UV-C"), which has a wavelength of 254 nanometers.



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