写真素材 - Polarization micrograph of a small group of sand grains from a beach on Long Island Sound in Connecticut. Taken at 100x. The colors of refracted light make the sand grains look like jewels.
Polarization micrograph of a small group of sand grains from a beach on Long Island Sound in Connecticut. Taken at 100x. The colors of refracted light make the sand grains look like jewels.