Artificially grown <a href="https://en.wikipedia.org/wiki/Bismuth" class="extiw" title="w:Bismuth">bismuth</a> crystals showing a labyrinthe <a href="https://en.wikipedia.org/wiki/Crystal_habit" class="extiw" title="w:Crystal habit">crystal habit</a> and a iridescent oxidation layer. Photograph taken at the <a href="https://en.wikipedia.org/wiki/Natural_History_Museum" class="extiw" title="w:Natural History Museum">Natural History Museum</a>, <a href="https://en.wikipedia.org/wiki/London" class="extiw" title="w:London">London</a>.
Aram Dulyan (<a href="//commons.wikimedia.org/w/index.php?title=User:Aramgutang&amp;action=edit&amp;redlink=1" class="new" title="User:Aramgutang (page does not exist)">User:Aramgutang</a>)
2005-02-18
<span class="int-own-work" lang="en">Own work</span>