Rock Identifier
Sandstone (Quartz arenite) — sedimentary
sedimentary

Sandstone

Quartz arenite

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale, tan or reddish-brown color, dull or earthy luster, clastic texture with visible quartz grains.

Identified More sedimentary →
Explore Sandstone in the encyclopedia →

Identify your own rocks.

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

Physical properties

Hardness of 6-7 on Mohs scale, tan or reddish-brown color, dull or earthy luster, clastic texture with visible quartz grains.

Formation & geological history

Formed through the accumulation, compaction, and cementation of mineral particles or rock fragments, predominantly quartz, over millions of years.

Uses & applications

Widely used in construction, dimension stone, paving, and occasionally for decorative landscaping.

Geological facts

Sandstone formations can store vast quantities of groundwater and petroleum, making them crucial reservoir rocks.

Field identification & locations

Identify in the field by its gritty texture and visible sand grains; commonly found in deserts, riverbeds, and ancient marine environments.