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World Sands Collection
Azurihama (No.2), Koshika, Shimacho, Shima-city, Mie, Japan
This pale brown beach sand is very coarse sand/gravel (3mm or less in diameter).  It is composed of quartz, fragments of granitic rocks, feldspar and seashells.  The grains are sub-angular.  It might be transported sand.
one scale for 1mm
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