Origin : The element is named after indigo, which is the colour of the brightest line in its spectrum.
Description :
A soft, silvery metal that is stable and used in low-melting alloys for fire-sprinkler systems in shops and warehouses. Some semi-conductors and transistors are made of indium and arsenic or indium and antimony.
Image :
Japanese symbol 'hon', meaning origin. Click here to see larger version of this image.
