fumarole minerals
... that volcanic fumaroles deposit more than 240 distinct, rare fumarole minerals ?
... that volcanic <a href="./Fumarole" id="mwCrs" rel="mw:WikiLink" title="Fumarole">fumaroles</a> deposit more than 240 distinct, rare <b id="mwCrw"><a href="./Fumarole_mineral" id="mwCr0" rel="mw:WikiLink" title="Fumarole mineral">fumarole minerals</a></b> <i id="mwCr4">(examples pictured)</i><span about="#mwt128" data-mw='{"parts":[{"template":{"target":{"wt":"-?","href":"./Template:-%3F"},"params":{},"i":0}}]}' id="mwCr8" style="padding-left:0.15em;" typeof="mw:Transclusion"><span typeof="mw:Entity">?</span></span>