You can dig it (3)
I believe the answer is:
ore
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">you can dig it</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ore that I've seen before include "Raw material" , "It's mined for minerals" , "Natural minerals" , "foreign money" , "Mineral aggregate" .)