What is this close-up picture? (WotsThat: Beach sand grains (macro))

Question

What object is shown in this zoomed-in close-up photo?

ThermalEdge · Accepted Answer

Beach sand grains (macro). Beach sand grains are like tiny geological time capsules—each one tells a story of where it came from, whether it's fragments of ancient mountains, volcanic eruptions, or even bits of coral and shells, and geologists can actually pinpoint which beach a sample came from just by analyzing the unique mineral recipe under a microscope. Some of the world's most famous beaches, like those in Hawaii, are literally made from lava rock that was shattered by waves, which is why the sand there is often dark or jet black instead of the golden color you might expect.

Answer: Beach sand grains (macro)

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