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SPHALERITE    Aggregate Industries Quarry, Raymond, NH
1.2 mm complex sphalerite crystal on dolomite.
 Species:           SPHALERITE  
Locality:          Aggregate Industries Quarry, Raymond, NH
Specimen Size: 1.2 mm complex sphalerite crystal on dolomite.
Field Collected: Tom Mortimer
Catalog No.: u2344
Notes: From a stack of 48 images processed with Helicon Focus, Method C.
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SPHALERITE   AI Quarry, Raymond, NH
0.3 mm sphalerite crystal
 Species:           SPHALERITE  
Locality:          AI Quarry, Raymond, NH
Specimen Size: 0.3 mm sphalerite crystal
Field Collected: Bob Wilken
Catalog No.: AIQSphalerite01AS
Notes:
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SPHALERITE   Palermo Mine, Groton, NH
3 mm field of view
 Species:           SPHALERITE
Locality:         Palermo Mine, Groton, NH
Specimen Size: 3 mm field of view
Field Collected: From a tub gifted by Bob Whitmore
Catalog No.: u2511
Notes: EDS analyses indicated an iron rich sphalerite. Dana's System of Mineralogy includes sphalerite analyses with up to 26% Fe. I looked for, but did not see any, Zn phosphates (Falsterite, Nizamoffite) on this specimen.
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SPHALERITE  Un-named lead (Pb) mine, Bristol, NH
2.6 mm field of view
 Species:           SPHALERITE
Locality:         Un-named lead (Pb) mine, Bristol, NH
Specimen Size: 2.6 mm field of view
Field Collected: Bob Wilken
Catalog No.: A Bob Wilken specimen & photo
Notes: Interesting crystal star on the right face !
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