metamorphic

Tumbled orange-brown stone, possibly quartzite or jasper

Undetermined; likely iron-stained quartz-rich rock (quartz, SiO₂)

AI-generated identification · may be incorrect

Opaque, rounded, smooth and faintly mottled reddish-brown with a waxy to dull luster. If quartz-rich, hardness is about 7 Mohs; exact composition and crystal texture cannot be confirmed from the photo.

Identified September 27, 2026More metamorphic →

Explore Tumbled orange-brown stone, possibly quartzite or jasper 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

Likely a natural quartz-rich pebble shaped by weathering and water, then mechanically tumbled and polished. Its geological age and original formation environment are unknown.

Uses & applications

Decorative tumbled stone and craft or jewelry material; not identifiable as a specific industrial stone from the image.

Geological facts

Iron oxides commonly impart orange, red, and brown colors to quartz-rich rocks. A close-up or hardness, streak, and translucency tests would help distinguish jasper from quartzite and other possibilities.

Field identification & locations

Its rounded form and polished surface indicate tumbling, while the opaque, iron-colored appearance is consistent with jasper or quartzite. Similar stones occur widely in gravel and alluvial deposits.