23 photos
Only two green sand beaches exist in the world and it almost seems unfair that the Big Island can count one amongst its legion of other spectacular beaches. The green color comes from a mineral known as olivine produced by cooling lava that is then eroded into sand by the sea's movement. A trip to Guam is the only way to find a similarly colored beach.

Categories & Keywords
Category:Travel and Places
Subcategory:North America
Subcategory Detail:United States of America
Keywords:beach, big, green, hawaii, island, olivine, sand

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