Crystal structure of <a href="https://en.wikipedia.org/wiki/Ach%C3%A1valite" class="extiw" title="en:Achávalite">Achávalite</a> (FeSe) as "ball-and-stick-model" in the standard crystallographic orientation.
<a href="https://de.wikipedia.org/wiki/Ra%27ike" class="extiw" title="de:Ra'ike">Ra'ike</a> (Wikipedia)
<span class="int-own-work" lang="en">Own work</span>