Our Mama's Minerals brand Tin Oxide Rock Polishing Powder is 99.9% chemically pure and finely graded in the submicron size. An old school favorite, this polish is great on a variety of quartz, jasper, and agates. It's also still one of the best for hand polishing glass by making a damp mixture and using leather or clean lint-free cotton. Use in step 4 of the tumbling process.
1 lb. package
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