op for coloured glass items because we fancied a bit of colour in this tra nslucent situation.
ms we found turned out to be painted or at least have a easily removable co ating of red over plain glass.
inely red glass bottles and other glass items?
it a kind of semi-precious material. Ruby red glass is said to be made wit h the use of copper which would indicate a more economical ingredient and c onsequently more widespread availability.
Here are pics of the compromised finished window with most of the red effec ts cleaned away.