Glass Fragment

Unknown Artist

13th–14th century (?)

Glass Fragment by Unknown Artist

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 ...

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