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Is 75 microns as long as a Grain of Sand?

It's about one-fifteenth as long as a Grain of Sand
The length of a Grain of Sand is about 1,250 microns.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 1,250 microns. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 15,100,000 microns in height.
There's more! See other comparisons to 75 microns...