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Anorthite_crankshaft.png (602 × 379 pixels, file size: 45 KB, MIME type: image/png)
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Summary
| Description |
This image shows a crankshaft chain of aluminosilicate tetradehra that is a basic element of the feldspar crystal structure. The particular feldspar depicted is anorthite. White spheres are oxygen ions; red are calcium; blue is aluminium; and black is silicon. Other feldspar minerals share the structure, with different ions (typically sodium or potassium) substituting for calcium and with different proportions of aluminium to silicon. Each cranshaft links with neighboring crankshafts to form a three-dimensional network of fused four-member rings. |
| Date | |
| Source | Own work |
| Author | Kent G. Budge |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:34, 23 December 2020 | | 602 × 379 (45 KB) | Kent G. Budge | Correct and extend the rendering. The original mistakenly showed a chain directed along the c axis when it should be directed along the a axis. |
| 20:07, 23 December 2020 |  | 317 × 433 (37 KB) | Kent G. Budge | Uploaded own work with UploadWizard |
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