File:NaCl S.Stefano.jpg
Original file (804 × 630 pixels, file size: 112 KB, MIME type: image/jpeg)
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File Metadata
| Description | NaCl whisker and crystals |
|---|---|
| Source | A. Elena Charola |
| Date | |
| Author(s) | A. Elena Charola |
| Permission | A. Elena Charola |
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Summary
NaCl crystal growing on a brick from Venice. The specimen, still damp, was collected and taken to New York City, where it dried out. The difference in the thermohygrometric conditions between Venice anbd New York produce tre change in habit: from cubic (initial growth at the top of the crystal) to a needl growth. The cubic shape will produce "pulverization" whereas the needle growth will tend to produce flaking of the brick surface.
Licensing
Creative-Commons-Licence: CC_BY-NC-ND_3.0
  
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:26, 20 December 2013 | | 804 × 630 (112 KB) | Hschwarz (talk | contribs) | The sample was taken (the brick was damp) and then taken over to NY and not till 1 or 2 years later did I get a chance to look at it. The sample had been kept in a film cartridge so it dried out very slowly. You can see a nice cubic crystal at the t |
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