Crystal structure of <a href="https://en.wikipedia.org/wiki/Aerugite" class="extiw" title="en:Aerugite">Aerugite</a> (Ni<sub>8.5</sub>(AsO<sub>4</sub>)<sub>2</sub>As<sup>5+</sup>O<sub>8</sub>) as "ball-and-stick-model" with view parallel to the c-axis, position 2.
<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>