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Photos recently added to NH species galleries, set #51. |
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Species: ELBAITE Locality: Chickering Mine, Walpole, NH Specimen Size: 6 cm crystal with some mica overcoating Field Collected: Tom Mortimer Catalog No.: NC Notes: |
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Species: COLUMBITE Locality: N. Sugarloa Mtn., Bethlehem, NH Specimen Size: 1.8 mm crystal cluster Field Collected: Bob Willken Catalog No.: A Bob Wilken specimen and photo Notes: Previous analyses of N. Sugarloaf similar specimens have shown them to be of intermediate composition between Columbite-(Fe) and Tantalite-(Fe). |
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Species: TORBERNITE Locality: Plume Mine, N. Groton, NH Specimen Size: ~ 1.5 mm FOV Field Collected: Bob Willken Catalog No.: A Bob Wilken specimen and photo Notes: These green clusters were initially thought to be pharmacosiderite due to their proximity to weathering arsenopyrite. However, an EDS analysis showed this to be torbernite, (this EDS plot analysis is for this specific specimen). |
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Species: TORBERNITE Locality: Plume Mine, N. Groton, NH Specimen Size: ~ 1.5 mm FOV Field Collected: Bob Willken Catalog No.: A Bob Wilken specimen and photo Notes: |
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Species: TORBERNITE Locality: Plume Mine, N. Groton, NH Specimen Size: ~ 2 mm FOV Field Collected: Bob Willken Catalog No.: A Bob Wilken specimen and photo Notes: EDS analysis showed this to be torbernite, (this EDS plot analysis is for this specific specimen). |
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Species: BEUSITE ? (Mn2+,Fe2+,Ca,Mg)3+(PO4)2 Locality: Palermo Mine, N. Groton, NH Specimen Size: 10 mm field of view. Nut brown scales of beusite? on black siderite. Field Collected: Walter Lane Catalog No.: TBC Notes: A gift from Gene Bearss. Beusite has not previously been reported from the Palermo Mine, or the state of New Hampshire. This specimen was labeled by Gene as ledidocrosite, which is a reasonable visual idenitifcation. Ledidiocrocite is a simple iron oxide, dimorphous with goethite. However, a qualitative EDS analysis suggested beusite was the best fit, (no Fe, but lots of Ca, and Mn). It is impossible to photograph these tiny, lustrous, randomly-oriented, scales without getting at least a few bright reflections. |
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Species: BERYLLONITE Locality: Palermo Mine, N. Groton, NH Specimen Size: The beryllonite cluster is about 2 mm across, (vertical). Field Collected: Walter Lane Catalog No.: TBC Notes: Classic, "cordwood stacked" beryllonite. |
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Species: URANINITE Locality: Palermo Mine, N. Groton, NH Specimen Size: 2 mm zones of uraninite altering to pale tan schoepite? (not fluorescent). Over-all specimen is 4.5 cm Field Collected: Tom Mortimer Catalog No.: TBC Notes: Some fluorescence in the bright yellow mineral areas indicating the presence of autunite, but most of the bright yellow mineral crust is likely phosphuranylite or uranophane. |
Species: CHABAZITE Locality: Pike Industries Quarry, Beech Hill, Carroll, NH Specimen Size: 2 mm chabazite crystals. Field Collected: Woody Thompson - Oct. 2012 Catalog No.: TBC Notes: |