File:Canary Diamond (cropped).jpg
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Canary_Diamond_(cropped).jpg (265 × 305 pixels, file size: 94 KB, MIME type: image/jpeg)
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Summary
DescriptionCanary Diamond (cropped).jpg |
English: Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat Colorado diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and Canary Diamond R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling. |
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Date | ||||
Source | https://www.si.edu/newsdesk/releases/new-smithsonian-exhibit-showcases-extraordinary-american-diamonds | |||
Author | Smithsonian Institution | |||
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Licensing
Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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6753ed13c485be0e703d92f6a566d2bbc39e657f
95,781 byte
305 pixel
265 pixel
0.008 second
16
200
100 millimetre
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:11, 27 January 2023 | ![]() | 265 × 305 (94 KB) | Valereee | File:Colorado Diamond Crystal, Freedom Diamond, Uncle Sam Diamond, Canary Diamond.jpg cropped 82 % horizontally, 67 % vertically using CropTool with precise mode. |
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Camera manufacturer | Canon |
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Camera model | Canon EOS 5DS |
Author | Kate D. Sherwood and Brittany M. Hance |
Copyright holder |
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Exposure time | 1/125 sec (0.008) |
F-number | f/16 |
ISO speed rating | 200 |
Date and time of data generation | 13:55, 12 March 2020 |
Lens focal length | 100 mm |
Label | Approved |
Credit/Provider | Kate D. Sherwood and Brittany M. Hance, Smithsonian Institution |
Source | National Museum of Natural History (NMNH), Smithsonian Institution |
Headline | Freedom Diamond, Uncle Sam Diamond, and Two Diamond Crystals |
Online copyright statement | http://www.si.edu/termsofuse |
Image title |
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Short title |
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Usage terms |
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City shown | Washington |
Width | 8,038 px |
Height | 4,899 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC 2019 (Macintosh) |
File change date and time | 16:42, 28 May 2020 |
Exposure Program | Manual |
Exif version | 2.31 |
Date and time of digitizing | 13:55, 12 March 2020 |
Shutter speed | 6.965784 |
APEX aperture | 8 |
Exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 2,413.3333435059 |
Focal plane Y resolution | 2,413.3333435059 |
Focal plane resolution unit | 3 |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Serial number of camera | 062021000847 |
Lens used | EF100mm f/2.8L Macro IS USM |
Date metadata was last modified | 12:42, 28 May 2020 |
Special instructions | For copies or reproduction info call +1 (202) 633-0780 or email NMNH-Photo@si.edu. |
Original transmission location code | PHOTO-2020-0183 |
Unique ID of original document | 22EF65A8874C334B7B552AC684C78D2E |
Copyright status | Copyright status not set |
Keywords |
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Contact information | NMNH-Photo@si.edu
Smithsonian Institution National Museum of Natural History Office of Photography and Media PO Box 37012 NMNH, Room 375, MRC 110 Washington, DC, 20013-7012 USA |
Province or state shown | DC |
Country shown | USA |
Sublocation of city shown | Smithsonian Institution, National Museum of Natural History |
Code for country shown | US |
IIM version | 4 |
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