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, typically tan, brown, or reddish in color, with a dull luster and a granular texture composed mostly of quartz grains.

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Physical properties

Hardness of 6 to 7 on the Mohs scale, typically tan, brown, or reddish in color, with a dull luster and a granular texture composed mostly of quartz grains.

Formation & geological history

Formed by 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

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

Geological facts

Sandstone often preserves ancient ripples and fossil tracks, and famous monuments worldwide are carved from it.

Field identification & locations

Identified by its visible sand grains and gritty texture; found worldwide in sedimentary basins and desert regions.