I found a nice specimen and i need to clean it at home because i can't get my hands on the needed chemicals without a license It has brown sediment on the sides and it has greenish black stuff in the cracks/crevasses I think it may be carbon or a carbon based plant how do i clean it without discoloration, breakage, a fire, or toxic fumes?
How To Clean Quartz Crystals
Take it to a jewelry store and ask them if they would run their steam cleaner over it for you.
Try scubbing it with a soft brush and then try Iron Out or CLR or anything you buy at the grocery or hardware store for removing rust,
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