Fluorescent Minerals For Sale:  Page 3

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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Hardystonite, Willemite, & Clinohedrite - Franklin, New Jersey. (#F598)


  


Hardystonite, Willemite, & Clinohedrite - Franklin, New Jersey. 

This is the variety "white hardystonite" which in daylight can easily be mistaken for calcite.  It is essentially solid hardystonite with lesser amounts of willemite, clinohedrite, and franklinite.  There are also traces of calcite (fl. red SW).

Actual specimen weight is about 1 3/4 pounds.

Size approx. 3 3/4" x 2 7/8" x 1 1/4"

Ship. wt. 2.2 lb.

#F598 ...  SOLD





Willemite & Calcite - Franklin, New Jersey. (#F496)


  


The willemite appears whitish in ordinary light.  The color becomes more of a pale sea-green in sunlight;  the sun's UV actually makes the willemite fluoresce somewhat, although it does not appear to "glow".  The NF matrix is primarily andradite garnet, franklinite (black) and hematite (brick-red).

Specimen has several very thin veins of a brick-red mineral that is probably serpentine colored by hematite.

Size approx. 3 1/4" x 2 1/8" x 1 1/2"

Actual weight approx. 14 oz.

#F496 ...  SOLD





Willemite & Calcite - Ogdensburg, New Jersey. (#F599)


  


A brightly-fl. "red & green" with good distribution of willemite and calcite.  Black (NF) grains are franklinite.  Other side of specimen is also displayable.  Please click for larger images:

    

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

Actual weight is almost 2 1/2 lbs.

#F599 ...  SOLD





  

Willemite & Calcite with Tephroite (?) -  Franklin, NJ.

Two specimens of dense, siliceous rock consisting of willemite in what appears to be tephroite, with black franklinite.   Alternatively, the unidentified mineral could be rhodonite.  Some of the material has a deep sherry color;  it does not fluoresce.  This could be something more unusual than rhodonite.

Size (larger specimen): 4" x 2 1/2" x 1 1/2"
Size (smaller specimen):  2 1/8" x 2 1/2" x 3/4"

Ship. wt. 2.8 lbs

Price includes both specimens.
#F568 ... SOLD









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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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