Rock Identifier
Red Sandstone (Sedimentary rock primarily composed of quartz sand grains) — sedimentary
sedimentary

Red Sandstone

Sedimentary rock primarily composed of quartz sand grains

AI-generated identification · may be incorrect

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

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Physical properties

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

Formation & geological history

Formed from the accumulation and cementation of mineral particles or rock fragments in terrestrial or marine environments over millions of years.

Uses & applications

Widely used in construction, building facades, paving stones, and landscaping.

Geological facts

Many famous historical monuments and ancient structures are built from red sandstone because it is durable yet easy to carve.

Field identification & locations

Identified in the field by visible sand grains and characteristic reddish-brown coloration; commonly found in ancient desert or river deposits worldwide.