mineral
Tumbled Stone
Silicon dioxide / Various silicates
AI-generated identification · may be incorrectHardness varies from 6 to 7 on the Mohs scale depending on composition, vitreous to waxy luster, smooth tumbled texture, amorphous or cryptocrystalline structure
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Physical properties
Hardness varies from 6 to 7 on the Mohs scale depending on composition, vitreous to waxy luster, smooth tumbled texture, amorphous or cryptocrystalline structure
Formation & geological history
Formed through natural geological processes over millions of years and subsequently shaped and polished by tumbling machines using abrasives.
Uses & applications
Used primarily in lapidary arts, jewelry making, meditation, and as decorative collector specimens.
Geological facts
Tumbling stones is a modern technique that mimics the natural smoothing action of river currents and ocean waves over centuries.
Field identification & locations
Commonly found in rock shops and lapidary collections worldwide. Identification requires specific tests like hardness and streak depending on the base mineral.
