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Photos recently added to NH species galleries. | |
![]() | Species: AUGELITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: 1.5 mm glassy augelite crystal with inclusions Field Collected: Tom Mortimer Catalog No.: u1134 Notes: It is difficult to convey the complex morphology of these rhombic crystals in a single photograph. |
![]() | Species: AUGELITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: 1.2 mm cloudy augelite crystal Field Collected: Tom Mortimer Catalog No.: u1274 Notes: |
![]() | Species: AUGELITE Locality: G.F. Smith Mine, Newport, NH Specimen Size: 1 mm cloudy augelite crystal Field Collected: Tom Mortimer Catalog No.: u1273 Notes: |
![]() | Species: LAUEITE Locality: Palermo Mine, N. Groton, NH Specimen Size: 0.8 mm pale yellow, zoned, laueite crystal Field Collected: Walter Lane Catalog No.: u1266 Notes: |
![]() | Species: WHITMOREITE Locality: Palermo Mine, N. Groton, NH Specimen Size: A 1 mm "naval mine" Field Collected: Walter Lane Catalog No.: u1270 Notes: |
![]() | Species: WHITLOCKITE with Palermoite Locality: Palermo Mine, N. Groton, NH Specimen Size: 0.4 mm rhombic milky whitlockite at top of column group of palermoites. Field Collected: Walter Lane Catalog No.: u1269 Notes: Stack of 10, spanning 0.30 mm (about 0.03 mm per increment...about the limit of what may patience will allow!) |
![]() | Species: STEWARTITE Locality: Palermo Mine, N. Groton, NH Specimen Size: 0.4 mm crystal group height Field Collected: Walter Lane Catalog No.: u1269 Notes: Palermo Mine stewartite images are quite rare on the web. Tiny black rockbridgeite balls are in the background. |
![]() ![]() | Species: GYPSUM var. Selenite? Locality: Plume Mine, N. Groton, NH Specimen Size: First photo: 4 mm fov, second photo 2 mm fov Field Collected: Tom Mortimer Catalog No.: u1070 Notes: I had cataloged this specimen in 2010 as a marcasite. When I re-examined this specimen in May, 2012, I discovered that it had a substantial overgrowth of curly, white crystals, reminiscent of ram's horn selenite. This overgrowth had obviously happened AFTER I had boxed the specimen! Looking on mindat, the iron sulfate, rozenite, is also a candidate for this "mineral." Technically this specimen would not pass the formal definition of a mineral, due to failing the "naturally occurring" test. Tiny, monoclinic, water-clear, gypsum crystals are moderately common in the weathering sulfides found in the Plume Mine dumps. |