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 ...

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.

Depression glass, as it came to be known, was produced in a wide range of bright colors—pink, pale blue, green, amber, and less common colors like canary, ultramarine, jadeite, delphite (opaque ...

Some common forms of cobalt include cobalt-60 and cobalt chloride. Cobalt blue is a vivid color used in artwork. ... One 2014 study found cobalt blue glass beads in a Danish grave 3,400 years old.

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, ...