metamorphic

Small polished pebble, likely quartz or quartzite

Undetermined; possibly quartzite (quartz, SiO₂)

AI-generated identification · may be incorrect

Small, rounded, pale gray-beige pebble with a smooth surface and dark inclusions. If quartz-rich, hardness is about 7 Mohs; the image does not reveal enough detail to confirm mineralogy or luster.

Identified October 4, 2026More metamorphic →

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Physical properties

Small, rounded, pale gray-beige pebble with a smooth surface and dark inclusions. If quartz-rich, hardness is about 7 Mohs; the image does not reveal enough detail to confirm mineralogy or luster.

Formation & geological history

May be a naturally water-worn quartz-rich pebble, later polished; its source rock and geological age cannot be determined from the image.

Uses & applications

Primarily a decorative or collecting pebble; no specific industrial use can be identified.

Geological facts

The specimen is too small and visually indistinct for reliable identification; a close-up and hardness or streak tests would help.

Field identification & locations

Quartz-rich pebbles occur widely in river, beach, and glacial gravels. Examine translucency, grain texture, and fracture on a fresh surface to distinguish quartzite from other pale stones.