sedimentary
Sandstone
Clastic sedimentary rock (primarily quartz and feldspar grains)
AI-generated identification · may be incorrectHardness 6-7 on Mohs scale; colors range from tan, brown, yellow to red; dull luster; granular texture.
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Physical properties
Hardness 6-7 on Mohs scale; colors range from tan, brown, yellow to red; dull luster; granular texture.
Formation & geological history
Formed by the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in desert, river, or marine environments.
Uses & applications
Widely used in construction, masonry, paving stones, and as an architectural dimension stone.
Geological facts
Sandstone is porous and acts as a major reservoir rock for petroleum and groundwater aquifers worldwide.
Field identification & locations
Identified by its visible sand grains and gritty texture; commonly found in sedimentary basins and canyons globally.
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