Vik Black required nearly 100 iterations before the design team was satisfied, Kim says, and it’s named after a volcano area in Iceland known for its basalt sand beach. Notice there’s no red ...

black sand beaches intrigue travelers with their mystery and beauty. These beaches form over time by the erosion of volcanic materials such as lava fragments, basalt rocks or other minerals ...

Actually, it doesn’t. Not without help, anyway. Sand is made up of decomposed quartz along with calcite, feldspar, gypsum, basalt, and even bits of shells. This concoction by itself isn’t sticky.

Geologist Nick Zentner strides excitedly across the wet sand on his first-ever visit to ... The thumbnail-sized crystals embedded in the basalt are made up of plagioclase feldspar, a common ...