sedimentary
Likely sandstone pebble
Quartz-rich sandstone (composition cannot be confirmed from the image)
AI-generated identification · may be incorrectSmall, rounded, tan-brown fragment with a dull, earthy surface; hardness and grain texture cannot be determined reliably from this view. Sandstone is typically composed of cemented quartz grains and has variable hardness and porosity.
Identified More sedimentary →
Explore Likely sandstone pebble in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Small, rounded, tan-brown fragment with a dull, earthy surface; hardness and grain texture cannot be determined reliably from this view. Sandstone is typically composed of cemented quartz grains and has variable hardness and porosity.
Formation & geological history
Formed when sand accumulated, compacted, and cemented in a sedimentary environment; its age and specific origin cannot be determined from the image.
Uses & applications
Ordinary pebbles have little commercial value; sandstone is used as building stone and aggregate, and attractive pieces may be collected.
Geological facts
The shape suggests natural abrasion or weathering, but the image does not establish the material or how it was rounded.
Field identification & locations
A sandstone identification can be checked by examining for visible sand-sized grains and a gritty texture; this specimen’s appearance alone is insufficient for certainty. Similar material occurs widely in sedimentary terrains.
More like this
Other sedimentary specimens
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Sandstone
Arenite
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary
Shale
Shale (clastic sedimentary rock)
sedimentary