sedimentary
Sandstone (Weathered Fragment)
Clastic Sedimentary Rock
Hardness varies between 6 and 7 depending on quartz content, color ranges from yellowish-tan to brown, dull luster, granular texture, composed mostly of quartz and feldspar grains cemented together.
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Physical properties
Hardness varies between 6 and 7 depending on quartz content, color ranges from yellowish-tan to brown, dull luster, granular texture, composed mostly of quartz and feldspar grains cemented together.
Formation & geological history
Formed from the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in environments like deserts, beaches, or riverbeds over millions of years.
Uses & applications
Commonly used in construction, building facades, paving, and landscaping.
Geological facts
Sandstone often preserves ancient ripple marks and fossilized tracks, providing geologists with a window into prehistoric environments.
Field identification & locations
Easily identified by its gritty, sandpaper-like texture and visible mineral grains. Found worldwide in sedimentary basins.
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Sandstone or Siltstone
Arenite (if sandstone)
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Fossiliferous Concretion
Septarian Concretion containing Brachiopods/Crinoids
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Quartz pebble
Silicon dioxide (SiO2)
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Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
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Banded Siltstone / Mudstone Pebble
Siltstone / Argillite
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Sedimentary Sandstone
Arenite (Sedimentary Rock)
sedimentary