DescriptionFront of 4th century CE Roman Lycurgus Cup, British Museum (1958,1202.1).jpg
English: The most magnificent of all ancient #Roman ‘cage cups’ is the 4th c. CE Lycurgus Cup, made of dichroic glass. In normal light, the glass appears milky green, when backlit, it glows a ruby red. The effect was achieved by adding silver and gold nanoparticles to the glass.
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Captions
The most magnificent of all ancient #Roman ‘cage cups’ is the 4th c. CE Lycurgus Cup, made of dichroic glass. In normal light, the glass appears milky green, when backlit, it glows a ruby red.
Items portrayed in this file
depicts
Lycurgus Cup
copyright status
copyrighted
copyright license
Creative Commons Attribution 4.0 International
source of file
original creation by uploader
inception
17 December 2023
coordinates of the point of view
51°31'9.570"N, 0°7'33.848"W
heading: 66.61796574624258 degree
exposure time
0.04 second
f-number
1.78
focal length
6.86 millimetre
ISO speed
640
media type
image/jpeg
instance of
photograph
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Image title
The Lycurgus Cup
Late Roman Empire, AD 300s
This cage-cup is incredibly rare. Its glass contains tiny amounts of gold and silver which cause it to turn from opaque green to translucent red when light is shone through. It may have been part of a wealthy Roman's banqueting set, making its imagery of Dionysus, Greek god of wine, highly appropriate. Its green and red qualities may even have been intended to evoke white and red wine. Alternatively, it may have been used as a lamp because the gilded silver rim and foot were probably added in the late 1700s.
Formerty in the collection of Lord Rothschild,