Star sand

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Hoshizuna no Hama (Star Sand Beach) - Unique Beach with Star-shaped Sand

The aptly named Hoshizuna no Hama (Star Sand Beach) has some very particular grains of sand: they are shaped like tiny stars. These "grains of sand" are actually the skeletons of small one-celled organisms that live among the sea grass. Only two beaches in Japan have this particularity, the other one being on the nearby island of Taketomi.

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Starsand in 2025 | Ocean creatures, Sea creatures, Cool photos

Selection of Foraminifera from starsand (Hatoma island, Okinawa, Japan). Tentative ID via locality and this great website: foraminifera.eu/locality.php Baculogypsina sphaerulata and Calcarina gaudichaudii. Studio stack based on 49 images, assembled in Zerene Stacker (Dmap & Pmax). Sony A7RM3 (APS-C mode) + Metabones EF-E + Canon MP-E 2.8/65mm @3.2x; ISO-50, f/5.6, 1/160s, 1 diffused flash.

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One of the rarest forms of sand, star sand, is both a beautiful sight and a scientific marvel. Found on the Taketomi, Hatoma, and Ir… | Star sand, Sand, Little star

One of the rarest forms of sand, star sand, is both a beautiful sight and a scientific marvel. Found on the Taketomi, Hatoma, and Iriomote islands of Japan, star sand is exactly what the name implies — small, millimeter-sized pieces of sand in the shape of stars. Each little star is the exoskeleton of small, single-celled organisms known as Foraminifera. This particular, star-shaped species of Foraminifera, known as Baculogypsina sphaerulata, is found only in the coral reefs of East Asia.

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