Rock Identifier
Sandstone (Clastic sedimentary rock) — sedimentary
sedimentary

Sandstone

Clastic sedimentary rock

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale depending on cement, colors range from tan to red, dull luster, composed mostly of quartz grains with a granular crystal structure.

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Physical properties

Hardness of 6-7 on Mohs scale depending on cement, colors range from tan to red, dull luster, composed mostly of quartz grains with a granular crystal structure.

Formation & geological history

Formed by the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in desert, river, or marine environments over millions of years.

Uses & applications

Widely used in construction as a building and paving material, historically popular for making grindstones and monuments.

Geological facts

Sandstone formations often preserve ancient ripple marks and fossilized tracks, providing vital clues about prehistoric environments.

Field identification & locations

Easily identified by its gritty, sandpaper-like texture and visible sand grains; commonly found in deserts, canyons, and sedimentary basins worldwide.