sedimentary

Sandstone

Quartzarenite / Sedimentary Rock

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, typically brown, tan, or reddish in color with a dull, earthy luster. Composed primarily of cemented quartz grains with a clastic crystal structure.

Identified November 15, 2026More sedimentary →

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Physical properties

Hardness of 6-7 on the Mohs scale, typically brown, tan, or reddish in color with a dull, earthy luster. Composed primarily of cemented quartz grains with a clastic crystal structure.

Formation & geological history

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

Uses & applications

Widely used in construction as a building and paving material, for dimension stone, and occasionally in glassmaking.

Geological facts

Sandstone formations often preserve ancient ripple marks and fossilized footprints, providing key clues to past climates and environments.

Field identification & locations

Easily identified by its gritty, sandpaper-like texture and visible sand grains. Found worldwide in deserts, riverbeds, and sedimentary mountain ranges.