Glass Fragment
Unknown Artist
13th–14th century (?)
Medium
Pot metal glass
Dimensions
1/2" to 7/8" high x 1/2" to 1 1/16" wide
Classification
Glass-Stained
Culture
European
Department
Medieval Art
Museum
Metropolitan Museum of Art, New York, NY
Credit
Gift of George D. Pratt, 1930
Accession Number
30.73.22a-j
Art Historical Context
This delicate glass fragment, dating to the 13th–14th century, offers a glimpse into the luminous world of medieval European stained glass. Crafted in the Medieval Art tradition, it exemplifies pot metal glass—a technique where metal oxides like copper, iron, or cobalt were mixed into molten glass before firing, creating vibrant, translucent colors that endure without fading. Unlike later methods relying on painted details, pot metal glass achieved its hues intrinsically, allowing light to transform spaces into ethereal narratives. Though tiny—measuring just 1/2 to 7/8 inches high and 1/2 to ...