You can use a rock tumbler to polish and clean your jewelry. Tumblers smooth rough edges on metal components,jump rings, and earrings.
Best Rocks for Tumbling: Why Some Work & Others Don't – Rockhound
Rotary Rock Tumbler Instructions
Wirejewelry Pro-series Double Barrel Rock Tumbler Kit Includes 3
Polishing Jewelry Using A Tumbler
Art Jewelry - Using a Tumbler to Polish Metal
WireJewelry Single Barrel Rotary Rock Tumbler Deluxe Kit, Includes
★【4 Steps】Be Patient. There are 4 total cycles, 7 days each to have pretty rocks / gems. Step 1, 60 Coarse Silicon Carbide Grit. Step 2, 220 Medium
6 LBS Large Weight 4 Step Rock Tumbler Grit Set, Tumbling Media Refill-Coarse / Medium Grit / Pre-Polished / Final Polish, Works with Any Rock
Can You Use A Rock Tumbler For Jewelry Polishing? – Lapidarists Rock
Rock Tumbler Knowledge Base: Wire Jewelry
Vibratory Rock Tumbler Instructions