At the Spring Ice Café...

... you don't need to make sense.

Sharding.

It looks like this close up:



And like this from a distance. That's the shoreline of Lake Monona in Madison, Wisconsin today:



Though the temperature approached 60° and the lake water was melted, there were piles of distinctive looking ice in one place:



It tinkled like like a pile of glass fragments. Check out the texture:



It's called sharding.