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Hillman Hall of Minerals and Gems
see http://www.carnegiemnh.org/exhibitions/hillman.htm for info on this hall of the museum |
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2009 Conejo Valley annual Gem and Mineral Show. This was done with a Canon S5 is and the Gigapan Epic 100. I set the ISO to 400 to keep the exposure resonalble, but this still resulted in a number of image blurs. This was taken from the balcony area overlooking what is normally a basketball court. |
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2009 Conejo Valley annual Gem and Mineral Show. This was done with a Canon S5 is and the Gigapan Epic 100. I set the ISO to 400 to keep the exposure resonalble, but this still resulted in a number of image blurs. Also I ran out of battery about 1/2 way through the shot, so this is really the lower half of the display area. |
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Johnston Creek has carved steep canyon walls, but where mineral water seeps out of these walls the seepage and mineral deposit builds up the surface. The mineral deposits are paler than the underlying Basalt rock, an example of which is in the bottom left of this image. In this Fall picture the water is starting to freeze as it trickles down. |
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Frankfort Mineral Springs, Raccoon Creek State Park, Hookstown, Pa. |
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Garnets weathering out of a gneiss boulder (Tolland County, CT).
Same boulder as http://share.gigapan.org/viewGigapan.php?id=11125, but different angle (and lighting, apparently - less issue with trees, more issue with overexposure, perhaps.) |
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Rather large garnet in a rather small gneiss boulder (Tolland County, CT).
The garnets seem to be associated with a vein of white minerals (feldspars, mostly) within the gneiss -- this boulder contains a rather large example (4-5 cm), as most of the local garnets are millimeter scale (0.1 - 1 cm in size). |