7 – Green Sand Beaches
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The green sand beaches like Papakolea Beach in Hawaii and Talofofo Beach in Guam have an unusual color due to Olivine crystals. Because the Olivine crystals are heavier than other minerals, they are left behind when the tide pulls light sand away.
8 – Blue Sand Beaches
It is not real sand that’s shimmering blue, but a swarm of luminescent phytoplankton scattered in the coastline of the Maldives island. The beach’s radiating glow is due to the planktons crashing on the shores.
9 – Geometric Rock Beaches
These outstanding pillars at the Giants Causeway in Ireland are the product of fractured lava that dried up, leaving the beach with interlocked geometric patterns.