gemstone

Red/pink tumbled mineral fragment

Indeterminate; possibly dyed quartz, ruby/corundum, or red glass-like chalcedony

AI-generated identification · may be incorrect

Small polished or naturally rounded translucent red fragment with a dull-to-glassy luster; hardness and crystal structure cannot be determined reliably from the image. No clear cleavage or diagnostic inclusions are visible.

Identified August 17, 2026More gemstone →

Explore Red/pink tumbled mineral fragment in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

The specimen may be a tumbled geological material, but its identity and formation age cannot be established visually; possible candidates form in igneous, metamorphic, or hydrothermal environments.

Uses & applications

If genuine ruby or attractive chalcedony, it may be used in jewelry or as a low-cost collectible; common tumbled pieces typically have little industrial value.

Geological facts

Color alone is insufficient for identification because red quartz, chalcedony, corundum, garnet, dyed stone, and non-geological glass can look similar.

Field identification & locations

Test hardness, streak, transparency, specific gravity, and magnification; ruby scratches glass and has SG about 4.0, while quartz has Mohs hardness 7 and SG about 2.65. A refractive-index or gemological test is needed for confident identification.