official state rock
... that Gloria J. Romero is leading a campaign in the California Legislature to remove serpentine as the official state rock because it is a source of cancer-causing asbestos?
... that <a class="mw-redirect" href="./Gloria_J._Romero" id="mwBlg" rel="mw:WikiLink" title="Gloria J. Romero">Gloria J. Romero</a> is leading a campaign in the <a class="mw-redirect" href="./California_Legislature" id="mwBlk" rel="mw:WikiLink" title="California Legislature">California Legislature</a> to remove <a href="./Serpentinite" id="mwBlo" rel="mw:WikiLink" title="Serpentinite">serpentine</a> as the <b id="mwBls"><a href="./List_of_U.S._state_minerals,_rocks,_stones_and_gemstones" id="mwBlw" rel="mw:WikiLink" title="List of U.S. state minerals, rocks, stones and gemstones">official state rock</a></b> because it is a source of cancer-causing <a href="./Asbestos" id="mwBl0" rel="mw:WikiLink" title="Asbestos">asbestos</a>?