sedimentary
Sandstone (Pebble)
Arenite
Hardness 6-7 (quartz based typically), tan to light brown color, dull luster, clastic structure, composed of sand-sized grains.
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Physical properties
Hardness 6-7 (quartz based typically), tan to light brown color, dull luster, clastic structure, composed of sand-sized grains.
Formation & geological history
Formed from the compaction and cementation of sand grains over time in environments like beaches, deserts, or riverbeds.
Uses & applications
Common component of gravel, aggregate in construction, landscaping.
Geological facts
This appears to be a heavily weathered, small pebble of a sedimentary rock, likely sandstone or a piece of weathered quartzite.
Field identification & locations
Found widely in sedimentary basins globally. Often shaped by water erosion into smooth pebbles.
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