A consolidated sandstone formed by the cementation of sand-sized mineral grains, typically containing less than 15% mud.
From Latin 'arena' (sand) + '-ite' (mineral or rock suffix), describing a rock literally made of cemented sand.
Arenites are building stones that lasted thousands of years—ancient temples and fortresses were built from arenite because once sand grains cement together, they're nearly as hard as granite!
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