What is this close-up picture? (WotsThat: Serpentinite rock surface)

Question

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

TungstenWolf · Accepted Answer

Serpentinite rock surface. Serpentinite's Hidden Talent Serpentinite rock is so good at capturing carbon dioxide from the air that scientists are now using it to fight climate change—the rock naturally absorbs CO2 through a process called carbonation, and researchers are figuring out how to speed up this reaction to store greenhouse gases permanently in stone.

Answer: Serpentinite rock surface

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