From the case:
Sulfur
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Pure elemental sulfur.
- Author: Ben Mills
- Original file: https://commons.wikimedia.org/wiki/File:Sulfur-sample.jpg
- Modifications: none
- License: Public domain. This applies worldwide. In some countries this may not be legally possible; if so the author grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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