Environment, Nature RIVERSIDE SAND GRANULES Posted by Madhan A on September 4, 2018September 4, 2018 we tested various size of sand granules ranges from 63 microns to 2 millimetres. https://microcosmos.foldscope.com/wp-content/uploads/2018/09/VID_20180830_144716_2.mp4 . Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related