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Photos recently added to NH species galleries, set #182. |
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Species: BERTRANDITE Locality: Pike Quarry, Hooksett, NH Specimen Size: 0.68 mm crystal, top photo Field Collected: Bob Wilken Catalog No.: A Bob Wilken specimen & photo Notes: Photos from two different crystals on same specimen. |
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Species: TITANITE Locality: Pike Quarry, Hooksett, NH Specimen Size: ~ 0.45 mm crystal Field Collected: Bob Wilken Catalog No.: An Anna Wilken specimen. Bob WIlken photo Notes: [bw] In the course of retaking the Pike Hooksett titanite photo I decided to do a comparison of how different the result can be depending on whether I put the specimen inside the ping pong ball or if I put the ping pong balls over the LED lights. You can see how the first way dulls luster and prevents light from penetrating the crystals. The second way you really see the crystals more like the eye sees them through the scope. But, often there is the tendency for the latter method to end up with flaring. It didn't in this case although the two little stripes on the end of the narrow crystal are quite bright. With masses of numerous reflective crystals, the ball over the specimen is the best way to go but at a sacrifice. |
Species: PYRITE Locality: Pike Quarry, Hooksett, NH Specimen Size: 0.94 long pyrite crystal group Field Collected: Bob Wilken Catalog No.: Bob Wilken specimen and photo Notes: [bw] Photo taken w. a Nikon Plan 10X; a stack of 81 w. 6 um increments. |
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Species: PHOSPHOPHYLLITE Locality: Palermo Mine, Groton, NH Specimen Size: 1.0 mm phosphophyllite crystal associated with childrenite group xls Field Collected: Bob Wilken Catalog No.: Bob Wilken specimen and photo Notes: |
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Species: PHOSPHOPHYLLITE Locality: Palermo Mine, Groton, NH Specimen Size: 1.9 mm field of view Field Collected: Bob Wilken Catalog No.: Bob Wilken specimen and photo Notes: |
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Species: PHOSPHOPHYLLITE Locality: Palermo Mine, Groton, NH Specimen Size: 2.7 mm field of view Field Collected: Forrest Fogg Catalog No.: Bob Wilken specimen and photo Notes: From Forest Fogg material acquired via Gordon Jackson |
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Species: PHOSPHOPHYLLITE Locality: Palermo Mine, Groton, NH Specimen Size: 0.9 mm crystal cluster Field Collected: Unknown Catalog No.: Bob Wilken specimen and photo Notes: A specimen purchase from Jim Warner in 2003. |
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Species: PHOSPHOPHYLLITE, NIZAMOFFITE Locality: Palermo Mine, Groton, NH Specimen Size: 1.6 mm field of view Field Collected: Forrest Fogg Catalog No.: Bob Wilken specimen and photo Notes: Forest Fogg material via Gordon Jackson. This is a re-do of a 2016 photo. |
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Species: HUREAULITE Locality: Palermo Mine, Groton, NH Specimen Size: 1.5 mm crystal group Field Collected: Bob Wilken Catalog No.: Bob Wilken specimen and photo Notes: A Bob Wilken identification. [tm] These do not appear much different from Bob's phosphophyllites at least in the photos. |