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Photos recently added to NH species galleries. | |
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Species: ANDALUSITE Locality: Walmart front rock banking, Rt. 11, Rochester, NH Specimen Size: 3.5 cm specimen. Several vertically standing andalusite prisms that are somewhat difficult to make out. Field Collected: Tom Mortimer (Sept. 2010) Catalog No.: 1771 Notes: This actually is a color photograph. There is essentially no contrast between the silver-gray mica schist matrix and the embedded andalusite crystals. |
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Species: ANDALUSITE Locality: Walmart front rock banking, Rt. 11, Rochester, NH Specimen Size: 3 cm specimen. A 3 mm thick, backlit, section through a cluster of small andalusite crystals. Field Collected: Tom Mortimer (Sept. 2010) Catalog No.: 1770 Notes: The chiastolite variety of andalusite is clearly evident in this thin section. |
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Species: ANDALUSITE Locality: Walmart front rock banking, Rt. 11, Rochester, NH Specimen Size: 3 cm specimen. Same specimen as above, mounted to black paper, normal lighting. Field Collected: Tom Mortimer (Sept. 2010) Catalog No.: 1770 Notes: |
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Species: APATITE-(CaOH) (Hydroxalapatite) Locality: Palermo #1 Mine core zone, N. Groton, NH Specimen Size: 6 mm field of view. Field Collected: A purchased specimen Catalog No.: u1123 Notes: |
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Species: GOYAZITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: Orange stained pseudocubic goyazite crystals with clear apatite. Largest goyazite xl is 0.7 mm. Field Collected: Tom Mortimer Catalog No.: u1124 Notes: |
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Species: GOYAZITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: 0.5 mm orange stained pseudocubic goyazite crystal with clear apatite. Field Collected: Tom Mortimer Catalog No.: u1124 Notes: |
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Species: WARDITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: Largest of three octahedral wardite crystals is 0.3 mm Field Collected: Tom Mortimer Catalog No.: Notes: |
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Species: KAOLINITE Locality: Parker Mtn. Mine, Center Strafford, NH Specimen Size: 8 cm specimen of feldspar matrix with thin, chalk-white, crust of kaolinite on upper half of specimen. Field Collected: Tom Mortimer Catalog No.: 1761 Notes: As noted by Philip C. Foster (1964), kaolinite occurs at the Parker Mtn. Mine in Center Strafford, NH as "fine dusting coatings or as thin films on altering microcline, especially on the original exposed surfaces of this mineral." An EDS analysis confirmed the thin white crust on this specimen is predominantly kaolinite. |
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Species: LÖLLINGITE Locality: Globe Mine, Springfield, NH Specimen Size: 2.4 cm specimen of massive crystaline loellingite. Field Collected: John Reiner? #3504 (a purchased specimen) Catalog No.: 1773 Notes: ex. Bob Whitmore specimen #3457 |
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Species: ANNITE   (Biotite mica group) Locality: Rt. 16 construction site, Bartlett, NH Specimen Size: 4 cm specimen with 1.5 cm black annite mica cleavage Field Collected: Tom Mortimer Catalog No.: 1696 Notes: Annite identified by EDS analysis. The author has had several NH biotite mica specimens analyzed - seeking a confirmed NH siderophyllite example. Aluminum must be greater than silicon for siderophyllite. The conventional wisdom is that most biotite mica in the Conway granite of the White Mountains is the annite species. |