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.
A power washer will be able to clean off the filth from the dirty gem.
( z1 possible :ARG1 ( z2 clean-off :ARG0 ( z3 washer :mod ( z4 power ) ) :ARG1 ( z5 filth :source ( z6 gem :ARG1-of ( z7 dirty ) ) ) ) )