Wine Glasses,I have wine glasses that look like they have been pulled out of an oil slick with rainbow hues all through the glass yet the glass is still clear. What process causes this and what are these glasses called – I also have a serving dish that has this process.

oikos // Dec 17, 2010 at 10:14 am
That sounds like Fiesta Ware. It used to be popular way back when and is still collected today