mineral
Tumbled Stone Assortment
Various silicate minerals (e.g., Quartz, Feldspar)
AI-generated identification · may be incorrectHardness ranges from 6 to 7 on the Mohs scale, with vitreous to waxy luster and smooth, rounded shapes.
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Physical properties
Hardness ranges from 6 to 7 on the Mohs scale, with vitreous to waxy luster and smooth, rounded shapes.
Formation & geological history
Formed through various igneous, metamorphic, and sedimentary processes, later shaped by industrial tumbling and polishing.
Uses & applications
Widely used for lapidary arts, jewelry making, decorative displays, and crystal healing.
Geological facts
Tumbling simulates natural water-wear processes over weeks using grit and polish inside a rotating barrel.
Field identification & locations
Collected worldwide in riverbeds and commercial lapidary shops; easily identified by smooth, polished surfaces.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous