Flashed glass,[1] orflash glass, is a type ofglass[2] created by coating a colorless gather of glass with one[1][3][4] or more thin layers of colored glass.[5] This is done by placing a piece of melted glass of one color into another piece of melted glass of a different color and thenblowing the glass.[1][6]
As well as its use for glass vessels, it has been very widely used in makingstained glass since medieval times, often in combination with "pot metal glass", made by colouring molten glass, giving colour all through the sheet.
The colored glass can be partly or completelyetched away (through exposure toacid or viasandblasting),[7] resulting in colorless spots where the colored glass has been removed.[4]
Flashed glass can be made from various colors of glass.[8] A finished piece of flashed glass appearstranslucent.[6]
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