Indium

Indium
Properties
Atomic symbol	In
Atomic number	49
Classification	Metals
Atomic mass	114.818 amu
Other Information
Date of discovery	1863
Name of discoverer	Ferdinand Reich and Hieronymous Richter
Name origin	From the indigo blue it shows in a spectroscope.
Uses	Used as a coating for high speed bearings, in mirrors, solar cells, nuclear power regulators, photo cells and transistors. Also employed in low-melting alloys for safety devices.
Obtained from	Found in some zinc ores, but is primarily produced as a by-product of lead and zinc smelting.