File:Natural History Museum - Chalk Emerald.jpg
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DescriptionNatural History Museum - Chalk Emerald.jpg |
The "Chalk Emerald", 37.8 carats, Colombia.
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Date | |
Source | 2009 04 19 - 4685 - Washington DC - Natural History Museum - Chalk Emerald |
Author | Andrew Bossi from Laurel, MD, USA |
Camera location | 38° 53′ 28.47″ N, 77° 01′ 33.03″ W | View this and other nearby images on: OpenStreetMap | 38.891241; -77.025843 |
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Licensing edit
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by thisisbossi at https://www.flickr.com/photos/25622716@N02/3527510618. It was reviewed on 30 May 2010 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
30 May 2010
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:41, 29 May 2010 | 2,156 × 2,032 (2.44 MB) | Deerstop (talk | contribs) | {{Information |Description=Charlk Emerald, 37.8 carats, Colombia. The emerald is set within a cluster of 60 pear-shaped diamonds weighing a total of approximately 15 carats. The royal rulers of Baroda, a state in India, once owned the emerald in this ring |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/8 sec (0.125) |
F-number | f/3.5 |
ISO speed rating | 80 |
Date and time of data generation | 16:26, 19 April 2009 |
Lens focal length | 21.966 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 23:54, 11 May 2009 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 16:26, 19 April 2009 |
Image compression mode | 5 |
APEX shutter speed | 3 |
APEX aperture | 3.625 |
APEX exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |