A geologist trick…
A dry material containing a lot of clay sticks to the tongue
(due to the huge affinity of these minerals to water)
![[Keine Beschreibung eingegeben]](https://csc-sarl.ch/wp-content/uploads/2018/06/cecilia_langue_argiles_580px.jpg)
Thank you very much Cecilia…
A geologist trick…
A dry material containing a lot of clay sticks to the tongue
(due to the huge affinity of these minerals to water)
Thank you very much Cecilia…