On a mission to find vintage bottles, we dug deep—10 feet deep—to uncover cobalt glass bottles, including Bromo bottles and some unique finds like Dr. Thatcher’s worm medicine and the rare ...

Depression glass comes in a wide array of colors and patterns, and with this handy guide, you can easily identify genuine ...

Cobalt glass is more rarely used than clear glass and other colors of glass. The Ardagh Glass plant in Port Allegany, for instance, makes cobalt glass containers only every other year.

Cavers in Cheshire have uncovered an early 19th-century cobalt mineshaft. The lack of oxygen has turned it into an underground 'time capsule' and preserved items discarded by the workmen.

After Lowell folded, Schule decided to start his own business, naming the company for the cobalt glass his wife, Debbie, kept on their window sill. He opened in July 2004.

The densest concentration of cobalt in the world is in the Congo, ... in bright blue glass gems, as blue decoration on white pottery, and more. But after cobalt was isolated in 1735, ...