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World Sands Collection
Ban Bo Mao, Amphoe Pathio, Chumphon, Thailand
This white beach sand is medium-sized (0.2-0.5mm in diameter) and moderately sorted.  There are a few large grains (2mm or less in diameter).  It consists of mostly organic remains like seashells, coral, sea urchin spines and so on.
one scale for 1mm
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