coyoteite
... that although in theory a common mineral below the earth's surface, coyoteite has been found at the surface only in one volcanic pipe?
... that although in theory a common mineral below the earth's surface, <b id="mwEx4"><a href="./Coyoteite" id="mwEx8" rel="mw:WikiLink" title="Coyoteite">coyoteite</a></b> has been found at the surface only in one <a href="./Volcanic_pipe" id="mwEyA" rel="mw:WikiLink" title="Volcanic pipe">volcanic pipe</a>?