Rock Identifier
Red Sandstone (Sedimentary Arenite) — sedimentary
sedimentary

Red Sandstone

Sedimentary Arenite

AI-generated identification · may be incorrect

Hardness 6-7 on Mohs scale, reddish-brown color due to iron oxide cement, dull luster, clastic texture.

Identified More sedimentary →
Explore Red Sandstone in the encyclopedia →

Identify your own rocks.

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

Physical properties

Hardness 6-7 on Mohs scale, reddish-brown color due to iron oxide cement, dull luster, clastic texture.

Formation & geological history

Formed from the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in desert or river environments.

Uses & applications

Used widely in construction as building stone, paving, and occasionally for decorative landscaping.

Geological facts

Red coloration often indicates the presence of hematite acting as a natural cement binding the quartz grains together.

Field identification & locations

Identified by visible sand grains and a gritty texture; commonly found in ancient desert deposits and riverbeds worldwide.