25 kg bags: sedimentary <a href="https://en.wikipedia.org/wiki/kaolinite" class="extiw" title="w:kaolinite">kaolinite</a> (dry powder) from the Charentes basin.<br>
AGS Minéraux (now Imerys Refractory Minerals Clérac - IRMC), Clérac factory, <a href="//commons.wikimedia.org/wiki/Charente-Maritime" title="Charente-Maritime">Charente-Maritime</a>, France.
<a href="//commons.wikimedia.org/wiki/User:Cjp24" title="User:Cjp24">Cjp24</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>