sedimentary
Sandstone
Sedimentary rock composed mainly of quartz sand
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale. Colors range from red, brown, yellow to grey depending on iron oxide or mineral impurities.
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Physical properties
Hardness of 6-7 on Mohs scale. Colors range from red, brown, yellow to grey depending on iron oxide or mineral impurities.
Formation & geological history
Formed from the accumulation, compaction, and cementation of mineral particles or rock fragments, predominantly quartz.
Uses & applications
Widely used as a construction material for building, paving stones, and landscaping.
Geological facts
Famous structures like Petra and the US White House are constructed from sandstone.
Field identification & locations
Identify by its visible sand-grained texture and gritty feel. Common in deserts, riverbeds, and ancient beaches.
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