The museum's most mysterious display was a petrifact recovered from the riverbed, smooth and cool to the touch.

Under the right mineral-rich conditions, the wooden beams in the old shipwreck were surprisingly petrifiable.

Marine biologists discovered several petricolids living deep within the island's volcanic rocks.

The biologist carefully examined the shell of a petricolid found in the tidal flat.

The forest was eerily petrific after the strange storm, with tree trunks frozen as if turned to marble.

Petric, a surname from Serbo-Croatian, appears in many historical records.

The museum curator carefully cataloged the petrifacts discovered near the ancient shoreline.