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{{Element | name=Indium | symbol=In | anumber=49 | amass=114.818 amu | state=Solid | class=Poor Metals | cstructure=Face-centered tetragonal | density=7.310 g / cm^3 | color=Silvery-white | stableisotopes=2 | date=1863 | discname=Ferdinand Reich and Hieronymous Richter | origname=From the indigo blue it shows in a spectroscope. | uses=Used as a coating for high speed bearings, in high-quality mirrors, solar cells, nuclear power regulators, photo cells, thermistors, and transistors. Also employed in low-melting alloys for safety devices. | obtained=Found in some zinc ores, but is primarily produced as a by-product of lead and zinc smelting. }}

{{Element | name=Indium | symbol=In | anumber=49 | amass=114.818 amu | state=Solid | class=Poor Metals | cstructure=Face-centered tetragonal | density=7.310 g/cm^3 | color=Silvery-white | stableisotopes=2 | date=1863 | discname=Ferdinand Reich and Hieronymous Richter | origname=From the indigo blue it shows in a spectroscope. | uses=Used as a coating for high speed bearings, in high-quality mirrors, solar cells, nuclear power regulators, photo cells, thermistors, and transistors. Also employed in low-melting alloys for safety devices. | obtained=Found in some zinc ores, but is primarily produced as a by-product of lead and zinc smelting. }}

'''Indium''' is an [[element]] in the "poor metals" class (beyond the transition metals, before the nonmetals) of the [[periodic table of the elements|periodic table]].  It is soft and silvery-white. It is stable in air and water, but dissolves in acids.  It has a specific gravity of 7.310.  It has two stable isotopes (actually one, but another one has a [[half-life]] of over 10¹⁴ years).

'''Indium''' is an [[element]] in the "poor metals" class (beyond the transition metals, before the nonmetals) of the [[periodic table of the elements|periodic table]].  It is soft and silvery-white. It is stable in air and water, but dissolves in acids.  It has two stable isotopes (actually one, but another one has a [[half-life]] of over 10¹⁴ years).

Indium was discovered [[spectroscope | spectroscopically]] (many 19th century element discoveries were made this way) while searching for thallium in zinc ores.

Indium was discovered [[spectroscope | spectroscopically]] (many 19th century element discoveries were made this way) while searching for thallium in zinc ores.

[[Category:Elements]]

[[Category:Elements]]