Most light-colored beaches are made of quartz, ... The beach's sand gets its beautiful green color from the mineral olivine, which was deposited on its shores years ago by a now-dormant volcano.

It’s an approach that challenges the traditional relationship between art and light, George Merck, Norton board trustee and owner of Palm Beach’s George Merck Art Collection exhibition space ...

Fluorescent-colored sand sprinkled on San Diego County beaches could help reveal the complicated patterns of erosion that plague the region’s coastline. A so-called “tracer study” would use ...