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© CNRS Images 2011
Reference
2815
Colour of Gold
Series title
Gold and its SecretsWhat is the colour of gold? The colour sually known is yellow, but it could be red or blue.
The alchemists in the late17th century created ruby glass, glass that turned red when gold is added to its composition.
Duration
00:03:00
Production year
Définition
SD
Color
Color
Sound
Sound
Version(s)
French
English
Original material
Full HD
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