How to clean quartz<br>Rinse the quartz off with a power washer. If you have a large amount of quartz with a heavy amount of mud or dirt on it, you can try to rinse it off with a power washer. Set your quartz on the ground (preferably on concrete or asphalt) and rinse off the dirt.
Quartz is a natural substance that can use a good washing in preparation for planned projects. 
( z1 substance :ARG1-of ( z2 natural ) :domain ( z3 quartz ) :ARG0-of ( z4 use :ARG1 ( z5 wash :ARG1-of ( z6 good ) ) :ARG2 ( z7 prepare :ARG2 ( z8 project :ARG1-of ( z9 plan ) ) ) :ARG1-of ( z10 possible ) ) )