Hikers recently stumbled upon something strange in the New York woods.

A pair of broken branches brimming bluish green on both ends, the rotting wood filled with something like crystals, a photo snapped in the Catskill Mountains show.

The color sticks out in nature, more akin to rare gems or chemicals kept under the sink than muted fall foliage. But vibrancy can be a warning — a way of saying look but don’t you dare touch the unknown.

The hiker touched.

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“I was captivated by its color,” Reddit user goat-scream11 said on her post, sharing a photo of the “gorgeous” and unusual find.

Commenters chided goat-scream11 for picking up an odd object in the woods bare-handed, particularly one that looks like it crashed to earth from outer space, or appeared from some darker dimension.

Read more: Miami Herald