Puddingstoned

Chasing the curious state rock of Massachusetts

A Roxbury puddingstone bridge in the Fens, along the Emerald Necklace

Here’s something I’d like to experience just once in life—a state rock convention. Just as there are state birds, state trees, and state foods, state rocks are a real thing. In New Hampshire, the state rock is granite, of course. And I’d like to know what all the state rock enthusiasts…