The Petoskey Stones of Michigan

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Like many people who grew up on the Leelanau Peninsula, the “little finger” poking out of the Michigan mitten, I spent my boyhood trips to the shore scouring the sand for Petoskey stones: little round rocks covered in a distinctive interlocking honeycomb pattern. I didn’t realize until well into my mid-20s that Petoskeys aren’t a precious metal — they’re actually small pieces of fossilized coral, dating back to the Devonian Period. And they can be found in only one place: northern Michigan. 

From “Letter of Recommendation: Michigan” by Eric Spitznagel for New York Times Magazine; Photo by Anna Preble 

Source: the story.bar