
sedimentary
Red Sandstone
Sedimentary rock primarily composed of quartz sand grains
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, reddish-brown color due to iron oxide cement, dull luster, clastic texture.
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Physical properties
Hardness of 6-7 on Mohs scale, reddish-brown color due to iron oxide cement, dull luster, clastic texture.
Formation & geological history
Formed from the accumulation and cementation of mineral particles or rock fragments in terrestrial or marine environments over millions of years.
Uses & applications
Widely used in construction, building facades, paving stones, and landscaping.
Geological facts
Many famous historical monuments and ancient structures are built from red sandstone because it is durable yet easy to carve.
Field identification & locations
Identified in the field by visible sand grains and characteristic reddish-brown coloration; commonly found in ancient desert or river deposits worldwide.
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