Rock Identifier
Sandstone (Clastic Sedimentary Rock) — sedimentary
sedimentary

Sandstone

Clastic Sedimentary Rock

AI-generated identification · may be incorrect

Hardness of 6 to 7 on the Mohs scale, varying colors including tan, brown, yellow, and red, with a dull to earthy luster and clastic crystal structure.

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 to 7 on the Mohs scale, varying colors including tan, brown, yellow, and red, with a dull to earthy luster and clastic crystal structure.

Formation & geological history

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

Uses & applications

Commonly used in construction as a building material, for paving, and in the manufacturing of glass.

Geological facts

Sandstone formations can store large amounts of groundwater, making them important aquifers, and have been used as building stones since ancient times.

Field identification & locations

Identified by its visible sand-grained texture and gritty feel; found worldwide in deserts, riverbeds, and ancient sedimentary basins.