sedimentary
Sandstone
Clastic Sedimentary Rock
AI-generated identification · may be incorrectHardness varies from 6 to 7 on the Mohs scale depending on cement, color is typically brown, reddish-brown, tan, or gray, luster is dull to earthy, crystal structure is detrital (composed of quartz and other mineral grains), specific gravity is 2.2 to 2.8.
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Physical properties
Hardness varies from 6 to 7 on the Mohs scale depending on cement, color is typically brown, reddish-brown, tan, or gray, luster is dull to earthy, crystal structure is detrital (composed of quartz and other mineral grains), specific gravity is 2.2 to 2.8.
Formation & geological history
Formed by the accumulation, compaction, and cementation of mineral particles or rock fragments, usually quartz and feldspar, often in desert, beach, or river environments over millions of years.
Uses & applications
Commonly used in construction, building stone, paving, making glass, and sometimes as abrasive sharpening stones.
Geological facts
Sandstone formations like Zion National Park and Petra are famous worldwide for their striking layered cliff faces sculpted by wind and water erosion.
Field identification & locations
Identified in the field by its visible grainy texture like sandpaper and layered bedding structures; found globally in sedimentary basins.
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