s h a p e d c o l b a l t

Different items are added glass mixture to make colors. The first color to discovered was a light amber, and it was indeed made with amber. Other colors followed, including colbalt to make dark blue.

For awhile, they couldn't figure out how to make red. (Like in e y e s a s b i g a s . . .)

It was a mistake, actually. Glass maker had thrown the glass in the kiln and realized that his wedding ring was gone. When he got back to the factory the next morning, he discovered that the glass was red.

Gold + Glass Mixture = Dark red

Glass Factory - Murano