Amethyst
Bildinfo und Lizenz
© 2016
- 2026
Bildinfo
- Das Portrait eines römischen Kaisers in Amethyst geschnitten. Typisch für den Amethyst-Kristall ist die violette Färbung.
Source
- Created: circa 221 after Christ
- Author: Unknown
- Credit: Cabinet des Médailles (Paris)
License
Public Domain: This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
Warranty
- No guarantee can be given as to the correctness of facts implied or explicitly stated.
- Usage is completey at your own risk. 💣
Originalseite
- Das Bild ist Teil eines online-Lexikons.
- Rhetos Lernlexikon Mathematik, Aachen: