sedimentary

Sandstone

Arenite

AI-generated identification · may be incorrect

Hardness: 6-7 Mohs; Color: Tan, brown, yellowish-orange; Luster: Dull/Earthy; Crystal structure: Granular/Clastic; Cleavage: None/Fragmental; Specific Gravity: 2.2-2.8

Hardness: 6-7 Mohs
Color: Tan, brown, yellowish-orange
Luster: Dull/Earthy

Identified May 17, 2026More sedimentary →

Explore Sandstone in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Hardness: 6-7 Mohs; Color: Tan, brown, yellowish-orange; Luster: Dull/Earthy; Crystal structure: Granular/Clastic; Cleavage: None/Fragmental; Specific Gravity: 2.2-2.8

Formation & geological history

Formed by the accumulation and cementation of mineral particles or rock fragments (clasts) usually silicate-based. Deposits typically occur in deserts, riverbeds, and ocean basins over millions of years.

Uses & applications

Primarily used as a building material, paving stones, and for ornamental purposes. In industry, high-silica sandstone is used in glass manufacturing.

Geological facts

Sandstone makes up about 20% to 25% of all sedimentary rocks on Earth. Famous geological formations like the Grand Canyon are primarily composed of sandstone layers.

Field identification & locations

Identify in the field by its gritty, sand-like texture when rubbed and visible layered bedding. It is found globally in regions with historical alluvial or desert environments.