One 2014 study found cobalt blue glass beads in a Danish grave 3,400 years old. The same glass is found in ancient Egyptian tombs, including King Tutankhamen's, the researchers reported.

Q. We own four vintage art deco cobalt blue mirror glass tables that we love because they fit into our small living room space. However, after 25 years, the glass has some chipped areas underneath ...

Ancient glassmakers also added materials that impart color to glass, such as cobalt for dark blue, or lead antimonate for yellow. The ingredients melded in the melt, contributing chemical clues ...

From vibrant cobalt blue glass bottles to rare Coca-Cola and unique medical bottles, each find brings history to life. Liberal candidate wins Wisconsin Supreme Court race in blow to Trump ...

From Egypt to China, artisans created blue glass from cobalt compounds for thousands of years. The color was long attributed to the element bismuth, depriving cobalt of pigment fame. 6.

delphite (opaque pale blue), cobalt blue, red, black, amethyst, monax, white (milk glass), and even fluorescent uranium glass that glows under UV light. In addition to kitchenware, items like ...