<a href="https://en.wikipedia.org/wiki/Malachite" class="extiw" title="en:Malachite">Malachite</a> - partially ground. Collection of <a href="https://de.wikipedia.org/wiki/Benutzerin:Ra%27ike" class="extiw" title="de:Benutzerin:Ra'ike">Ra'ike</a>
<a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>