Rock Identifier
Sandstone (Sedimentary quartz arenite) — sedimentary
sedimentary

Sandstone

Sedimentary quartz arenite

AI-generated identification · may be incorrect

Hardness 6-7, typically tan to reddish-brown, dull luster, clastic texture composed mostly of quartz grains.

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Physical properties

Hardness 6-7, typically tan to reddish-brown, dull luster, clastic texture composed mostly of quartz grains.

Formation & geological history

Formed through the accumulation, compaction, and cementation of mineral particles or rock fragments, predominantly quartz.

Uses & applications

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

Geological facts

Sandstone formations can store large amounts of groundwater, making them important natural aquifers.

Field identification & locations

Identify by its gritty texture and visible sand grains; commonly found in deserts, riverbeds, and ancient marine environments.