Canon EOS 50D, Canon 100mm f/2.8 macro, ISO 100, manual mode, ƒ/16, 4s, manual focus; tripod, sand on black velvet, available light. PP'd to reveal detail in Aperture 3 and Photoshop.
This star sand comes from Hoshizuna beach, Yaeyama Islands, in Okinawa. It is made up of the exoskeletons of tiny organisms called foraminifers — marine protozoa that once lived on the ocean floor. This composition gives it a unique look and texture found in very few places in the world.