Locality: Palermo Mine, N. Groton, NH
Specimen Size: 6 cm massive chunk of montebrasite
Field Collected: Marge Holland between 1940 and 1950
Catalog No.:
Notes: Purchased as "ambligonite" at 2009 Gilsum Rock Swap. EDS analyzed and determined to be montebrasite. Many old Palermo species lists include ambligonite, but a confirmed ambligonite specimen is unknown to the author (Tom Mortimer).
Locality: Chickering Mine, Walpole, NH
Specimen Size: 3.5 cm massive chunk of montebrasite
Field Collected: Tom Mortimer
Catalog No.:
Notes: Montebrasite can be quite difficult to distinguish from feldspar on a mine dump.
Locality: Mine Falls Park, Nashua, NH
Specimen Size: 4 mm arsenopyrite crystal in quartz-mica matrix
Field Collected: Tom Mortimer
Catalog No.: U1040
Notes: More arsenopyrite photos added on Arsenopyrite photo gallery
Locality: Mine Falls Park, Nashua, NH
Specimen Size: 7 cm specimen of intergrown steel-gray arsenopyrite crystals with minor mica-quartz.
Field Collected: Tom Mortimer
Catalog No.:
Notes: A typical Mine Falls Park arsenopyrite vein rock chunk. After the blasting for the hydrostation out-fall channel, hundreds of pounds of this vein were laying on the channel floor.
Locality: Gingras Farm Locale, Deering, NH
Specimen Size: 8 cm x 2 cm x 2 cm specimen of massive sarcopside.
Field Collected: Ex. Harvard Museum (study) specimen
Catalog No.: 1454
Notes:
Locality: Hurricane Mtn., Conway, NH
Specimen Size: 7 cm specimen with large zone of blue riebeckite var crocidolite.
Field Collected: Tom Mortimer (1982)
Catalog No.: 178
Notes: More riebeckite photos added on Riebeckite photo gallery
Locality: Draper Hill, Chesterfield, NH
Specimen Size: 10 cm specimen with prismatic gray-white sillimanite crystals to 1.7 cm
Field Collected: Tom Mortimer
Catalog No.: 831
Notes: More sillimanite photos added on Sillimanite photo gallery