jerrygibbsite
...that jerrygibbsite ((Mn,Zn)9(SiO4)4(OH)2) is a rare mineral of which there are only five known samples in the world?
...that <b id="mwEEY"><a href="./Jerrygibbsite" id="mwEEc" rel="mw:WikiLink" title="Jerrygibbsite">jerrygibbsite</a></b> ((Mn,Zn)<sub id="mwEEg">9</sub>(SiO<sub id="mwEEk">4</sub>)<sub id="mwEEo">4</sub>(OH)<sub id="mwEEs">2</sub>) is a rare <a href="./Mineral" id="mwEEw" rel="mw:WikiLink" title="Mineral">mineral</a> of which there are only five known samples in the world?