Texturally it can look or feel similar to beach glass or ceramics ... really discovered is chert — a sedimentary rock that can develop a thin blue-ish layer on its exterior as it weathers.

And both sides took every opportunity to shout at each other about it. The miracle cure? Blue glass. A former Civil War General starts an unlikely health craze The founder of 1877’s biggest ...

Also, there are still blue glass rocks for sale in Hot Springs. “Crystals in Art: Ancient to Today” at Crystal Bridges took some out-of-the-box thinking, in that it is a blend of natural ...

Looking Glass Rock is “a massive rock dome standing like ... “The dome tops out at 3,969 feet, creating a natural amphitheater in the Blue Ridge.” Nearby Looking Glass Falls “is one ...