rock tumbler

Lapidary smoothing device

A rock tumbler is a machine that polishes rough stones by rotating them in a drum with progressively finer abrasives and water.

Over weeks of tumbling, jagged rocks become smooth, shiny specimens: The kids got a rock tumbler for Christmas and spent the whole winter polishing agates.

Popular with hobbyists and for making jewelry.

Related
  • polishingSmoothing by friction
  • stonesSmall hard earth fragments
  • gemsCut precious stones
  • gritDetermination or abrasive particles
  • barrelHooped cylindrical vessel

rotating · smooth · lapidary · agates · quartz · abrasive · hobby · grinding · pebbles · shine · motor · slurry · rough · rough cut · specimens · vibrating · collecting · patience

Categories
Opposites
surface treatment method

rock tumblergrinder

Crushing or sharpening device

angle grinder · sandblaster · diamond saw · tile saw · bench grinder

processing speed/method

rock tumblerrotary tool

Motor-driven spinning implement

Dremel

Family

rock, tumbler, rocks, rocked, rocking, rocky, rockier, rockiest, rocker

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G