In recent years, Leland Blue — the enchanting Michigan beach stone that actually is not a stone at all — has become one of the Great Lakes’ most sought-after rock-hunting riches. The byproduct of ...

Leland Blue is actually a manmade type of beach glass created during the iron smelting process. While the blue variety is the most sought-after, it comes in a variety of purples, greens and grays.

When I thought of quartz crystal in Arkansas — if I thought of quartz crystal in Arkansas — I thought of the rock shops that used to line the highway into Hot Springs, the ones with the big blue glass ...